8697557968 has 40 divisors (see below), whose sum is σ = 19017398880. Its totient is φ = 3817107840.

The previous prime is 8697557963. The next prime is 8697557977.

8697557968 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8697557897 and 8697557906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8697557963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846930 + ... + 857137.

It is an arithmetic number, because the mean of its divisors is an integer number (475434972).

Almost surely, 2^8697557968 is an apocalyptic number.

8697557968 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8697557968 is an abundant number, since it is smaller than the sum of its proper divisors (10319840912).

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

8697557968 is a wasteful number, since it uses less digits than its factorization.

8697557968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704115 (or 1704109 counting only the distinct ones).

The product of its digits is 228614400, while the sum is 70.

The square root of 8697557968 is about 93260.6989465552. The cubic root of 8697557968 is about 2056.5176632587.

It can be divided in two parts, 8697 and 557968, that added together give a palindrome (566665).

The spelling of 8697557968 in words is "eight billion, six hundred ninety-seven million, five hundred fifty-seven thousand, nine hundred sixty-eight".