64136087027475 has 96 divisors (see below), whose sum is σ = 108194745807360. Its totient is φ = 33512196157440.

The previous prime is 64136087027473. The next prime is 64136087027501. The reversal of 64136087027475 is 57472078063146.

It is not a de Polignac number, because 64136087027475 - 2¹ = 64136087027473 is a prime.

It is a super-2 number, since 2×64136087027475² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64136087027473) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9588288931 + ... + 9588295619.

It is an arithmetic number, because the mean of its divisors is an integer number (1127028602160).

Almost surely, 2^{64136087027475} is an apocalyptic number.

64136087027475 is a deficient number, since it is larger than the sum of its proper divisors (44058658779885).

64136087027475 is a wasteful number, since it uses less digits than its factorization.

64136087027475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9869 (or 9864 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 60.

The spelling of 64136087027475 in words is "sixty-four trillion, one hundred thirty-six billion, eighty-seven million, twenty-seven thousand, four hundred seventy-five".