64294120857 has 8 divisors (see below), whose sum is σ = 89452689984. Its totient is φ = 40999149488.

The previous prime is 64294120831. The next prime is 64294120871. The reversal of 64294120857 is 75802149246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64294120857 - 2¹⁶ = 64294055321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64294120057) 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, 465899358 + ... + 465899495.

It is an arithmetic number, because the mean of its divisors is an integer number (11181586248).

Almost surely, 2^64294120857 is an apocalyptic number.

It is an amenable number.

64294120857 is a deficient number, since it is larger than the sum of its proper divisors (25158569127).

64294120857 is a wasteful number, since it uses less digits than its factorization.

64294120857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931798879.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 64294120857 in words is "sixty-four billion, two hundred ninety-four million, one hundred twenty thousand, eight hundred fifty-seven".