64234357277187 has 16 divisors (see below), whose sum is σ = 87735119391360. Its totient is φ = 41778259233600.

The previous prime is 64234357277159. The next prime is 64234357277191. The reversal of 64234357277187 is 78177275343246.

It is not a de Polignac number, because 64234357277187 - 2²⁸ = 64234088841731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64234357277087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30276364 + ... + 32328422.

It is an arithmetic number, because the mean of its divisors is an integer number (5483444961960).

Almost surely, 2^{64234357277187} is an apocalyptic number.

64234357277187 is a deficient number, since it is larger than the sum of its proper divisors (23500762114173).

64234357277187 is a wasteful number, since it uses less digits than its factorization.

64234357277187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306594.

The product of its digits is 331914240, while the sum is 66.

The spelling of 64234357277187 in words is "sixty-four trillion, two hundred thirty-four billion, three hundred fifty-seven million, two hundred seventy-seven thousand, one hundred eighty-seven".