9227620864 has 320 divisors, whose sum is σ = 24638423040. Its totient is φ = 3344302080.

The previous prime is 9227620849. The next prime is 9227620891. The reversal of 9227620864 is 4680267229.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72658369 + ... + 72658495.

It is an arithmetic number, because the mean of its divisors is an integer number (76995072).

Almost surely, 2^9227620864 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 9227620864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12319211520).

9227620864 is an abundant number, since it is smaller than the sum of its proper divisors (15410802176).

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

9227620864 is a wasteful number, since it uses less digits than its factorization.

9227620864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 9227620864 is about 96060.5062655824. The cubic root of 9227620864 is about 2097.4739743797.

The spelling of 9227620864 in words is "nine billion, two hundred twenty-seven million, six hundred twenty thousand, eight hundred sixty-four".