8630978688 has 96 divisors (see below), whose sum is σ = 24888754800. Its totient is φ = 2870945280.

The previous prime is 8630978647. The next prime is 8630978701. The reversal of 8630978688 is 8868790368.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×8630978688² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 558003 + ... + 573261.

Almost surely, 2^8630978688 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 8630978688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12444377400).

8630978688 is an abundant number, since it is smaller than the sum of its proper divisors (16257776112).

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

8630978688 is a wasteful number, since it uses less digits than its factorization.

8630978688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15770 (or 15755 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The square root of 8630978688 is about 92903.0607030791. The cubic root of 8630978688 is about 2051.2567101483.

The spelling of 8630978688 in words is "eight billion, six hundred thirty million, nine hundred seventy-eight thousand, six hundred eighty-eight".