8699449968 has 120 divisors (see below), whose sum is σ = 26823144816. Its totient is φ = 2610048000.

The previous prime is 8699449963. The next prime is 8699450003.

It is a happy number.

8699449968 is a `hidden beast` number, since 8 + 6 + 99 + 449 + 96 + 8 = 666.

8699449968 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 8699449896 and 8699449905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8699449961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132796 + ... + 187172.

Almost surely, 2^8699449968 is an apocalyptic number.

8699449968 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8699449968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13411572408).

8699449968 is an abundant number, since it is smaller than the sum of its proper divisors (18123694848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8699449968 is a wasteful number, since it uses less digits than its factorization.

8699449968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54503 (or 54494 counting only the distinct ones).

The product of its digits is 241864704, while the sum is 72.

The square root of 8699449968 is about 93270.8420032756. The cubic root of 8699449968 is about 2056.6667721362. Note that the first 3 decimals are identical.

The spelling of 8699449968 in words is "eight billion, six hundred ninety-nine million, four hundred forty-nine thousand, nine hundred sixty-eight".