64704766458 has 16 divisors (see below), whose sum is σ = 129435480000. Its totient is φ = 21563930976.

The previous prime is 64704766457. The next prime is 64704766481. The reversal of 64704766458 is 85466740746.

64704766458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64704766398 and 64704766407.

It is not an unprimeable number, because it can be changed into a prime (64704766457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1048635 + ... + 1108622.

It is an arithmetic number, because the mean of its divisors is an integer number (8089717500).

Almost surely, 2^64704766458 is an apocalyptic number.

64704766458 is an abundant number, since it is smaller than the sum of its proper divisors (64730713542).

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

64704766458 is a wasteful number, since it uses less digits than its factorization.

64704766458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162261.

The product of its (nonzero) digits is 27095040, while the sum is 57.

The spelling of 64704766458 in words is "sixty-four billion, seven hundred four million, seven hundred sixty-six thousand, four hundred fifty-eight".