9438656976 has 80 divisors (see below), whose sum is σ = 30962800000. Its totient is φ = 2696758272.

The previous prime is 9438656971. The next prime is 9438657013. The reversal of 9438656976 is 6796568349.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9438656971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1557601 + ... + 1563648.

It is an arithmetic number, because the mean of its divisors is an integer number (387035000).

Almost surely, 2^9438656976 is an apocalyptic number.

It is an amenable number.

9438656976 is an abundant number, since it is smaller than the sum of its proper divisors (21524143024).

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

9438656976 is a wasteful number, since it uses less digits than its factorization.

9438656976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121273 (or 3121261 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 63.

The square root of 9438656976 is about 97152.7507382061. The cubic root of 9438656976 is about 2113.3433795814.

The spelling of 9438656976 in words is "nine billion, four hundred thirty-eight million, six hundred fifty-six thousand, nine hundred seventy-six".