64790874112 has 48 divisors (see below), whose sum is σ = 129645226620. Its totient is φ = 32371654656.

The previous prime is 64790874091. The next prime is 64790874149. The reversal of 64790874112 is 21147809746.

It can be written as a sum of positive squares in 2 ways, for example, as 64021144576 + 769729536 = 253024^2 + 27744^2 .

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, 2964858 + ... + 2986630.

Almost surely, 2^64790874112 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 64790874112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64822613310).

64790874112 is an abundant number, since it is smaller than the sum of its proper divisors (64854352508).

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

64790874112 is a wasteful number, since it uses less digits than its factorization.

64790874112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23248 (or 23228 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 64790874112 in words is "sixty-four billion, seven hundred ninety million, eight hundred seventy-four thousand, one hundred twelve".