64757875950 has 60 divisors (see below), whose sum is σ = 179930968800. Its totient is φ = 17268765840.

The previous prime is 64757875939. The next prime is 64757875951. The reversal of 64757875950 is 5957875746.

64757875950 is a `hidden beast` number, since 6 + 4 + 7 + 578 + 7 + 5 + 9 + 50 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64757875951) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 7990750 + ... + 7998849.

It is an arithmetic number, because the mean of its divisors is an integer number (2998849480).

Almost surely, 2^64757875950 is an apocalyptic number.

64757875950 is an abundant number, since it is smaller than the sum of its proper divisors (115173092850).

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

64757875950 is a wasteful number, since it uses less digits than its factorization.

64757875950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15989623 (or 15989609 counting only the distinct ones).

The product of its (nonzero) digits is 74088000, while the sum is 63.

The spelling of 64757875950 in words is "sixty-four billion, seven hundred fifty-seven million, eight hundred seventy-five thousand, nine hundred fifty".