64907376896 has 36 divisors (see below), whose sum is σ = 130844045724. Its totient is φ = 32132352000.

The previous prime is 64907376857. The next prime is 64907376901. The reversal of 64907376896 is 69867370946.

64907376896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 35019882496 + 29887494400 = 187136^2 + 172880^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1229315 + ... + 1281026.

Almost surely, 2^64907376896 is an apocalyptic number.

It is an amenable number.

64907376896 is an abundant number, since it is smaller than the sum of its proper divisors (65936668828).

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

64907376896 is a wasteful number, since it uses less digits than its factorization.

64907376896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510458 (or 2510444 counting only the distinct ones).

The product of its (nonzero) digits is 82301184, while the sum is 65.

The spelling of 64907376896 in words is "sixty-four billion, nine hundred seven million, three hundred seventy-six thousand, eight hundred ninety-six".