64857714341975 has 12 divisors (see below), whose sum is σ = 85154363771904. Its totient is φ = 48834043739520.

The previous prime is 64857714341971. The next prime is 64857714342049. The reversal of 64857714341975 is 57914341775846.

It is not a de Polignac number, because 64857714341975 - 2² = 64857714341971 is a prime.

It is a hoax number, since the sum of its digits (71) 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 = 64857714341899 and 64857714341908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64857714341971) 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, 76303192919 + ... + 76303193768.

It is an arithmetic number, because the mean of its divisors is an integer number (7096196980992).

Almost surely, 2^{64857714341975} is an apocalyptic number.

64857714341975 is a deficient number, since it is larger than the sum of its proper divisors (20296649429929).

64857714341975 is a wasteful number, since it uses less digits than its factorization.

64857714341975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152606386714 (or 152606386709 counting only the distinct ones).

The product of its digits is 711244800, while the sum is 71.

The spelling of 64857714341975 in words is "sixty-four trillion, eight hundred fifty-seven billion, seven hundred fourteen million, three hundred forty-one thousand, nine hundred seventy-five".