64793601587975 has 12 divisors (see below), whose sum is σ = 86524378736376. Its totient is φ = 47847582710880.

The previous prime is 64793601587969. The next prime is 64793601587977. The reversal of 64793601587975 is 57978510639746.

It is not a de Polignac number, because 64793601587975 - 2³⁴ = 64776421718791 is a prime.

It is a hoax number, since the sum of its digits (77) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64793601587896 and 64793601587905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64793601587977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99682463657 + ... + 99682464306.

It is an arithmetic number, because the mean of its divisors is an integer number (7210364894698).

Almost surely, 2^{64793601587975} is an apocalyptic number.

64793601587975 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

64793601587975 is a deficient number, since it is larger than the sum of its proper divisors (21730777148401).

64793601587975 is a wasteful number, since it uses less digits than its factorization.

64793601587975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199364927986 (or 199364927981 counting only the distinct ones).

The product of its (nonzero) digits is 2400451200, while the sum is 77.

The spelling of 64793601587975 in words is "sixty-four trillion, seven hundred ninety-three billion, six hundred one million, five hundred eighty-seven thousand, nine hundred seventy-five".