64857714341976 has 96 divisors (see below), whose sum is σ = 181938043404000. Its totient is φ = 20847944689152.

The previous prime is 64857714341971. The next prime is 64857714342049. The reversal of 64857714341976 is 67914341775846.

64857714341976 is a `hidden beast` number, since 6 + 4 + 8 + 57 + 71 + 434 + 1 + 9 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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 23 ways as a sum of consecutive naturals, for example, 17508660 + ... + 20887043.

It is an arithmetic number, because the mean of its divisors is an integer number (1895187952125).

Almost surely, 2^{64857714341976} is an apocalyptic number.

It is an amenable number.

64857714341976 is an abundant number, since it is smaller than the sum of its proper divisors (117080329062024).

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

64857714341976 is a wasteful number, since it uses less digits than its factorization.

64857714341976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38396553 (or 38396546 counting only the distinct ones).

The product of its digits is 853493760, while the sum is 72.

The spelling of 64857714341976 in words is "sixty-four trillion, eight hundred fifty-seven billion, seven hundred fourteen million, three hundred forty-one thousand, nine hundred seventy-six".