8913620736 has 108 divisors (see below), whose sum is σ = 25830641200. Its totient is φ = 2956124160.

The previous prime is 8913620731. The next prime is 8913620741. The reversal of 8913620736 is 6370263198.

8913620736 is a `hidden beast` number, since 8 + 9 + 13 + 620 + 7 + 3 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (8913620731) and next prime (8913620741).

It is a junction number, because it is equal to n+sod(n) for n = 8913620691 and 8913620700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8913620731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 448776 + ... + 468216.

Almost surely, 2^8913620736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8913620736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12915320600).

8913620736 is an abundant number, since it is smaller than the sum of its proper divisors (16917020464).

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

8913620736 is a wasteful number, since it uses less digits than its factorization.

8913620736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19662 (or 19645 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 8913620736 is about 94411.9734779440. The cubic root of 8913620736 is about 2073.4077482369.

The spelling of 8913620736 in words is "eight billion, nine hundred thirteen million, six hundred twenty thousand, seven hundred thirty-six".