64365887115 has 32 divisors (see below), whose sum is σ = 114447168000. Its totient is φ = 34322796000.

The previous prime is 64365887087. The next prime is 64365887119. The reversal of 64365887115 is 51178856346.

It is a happy number.

64365887115 is a `hidden beast` number, since 6 + 43 + 6 + 588 + 7 + 1 + 15 = 666.

It is not a de Polignac number, because 64365887115 - 2⁷ = 64365886987 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (64365887119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 854740 + ... + 926990.

It is an arithmetic number, because the mean of its divisors is an integer number (3576474000).

Almost surely, 2^64365887115 is an apocalyptic number.

64365887115 is a deficient number, since it is larger than the sum of its proper divisors (50081280885).

64365887115 is a wasteful number, since it uses less digits than its factorization.

64365887115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78864 (or 78858 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The spelling of 64365887115 in words is "sixty-four billion, three hundred sixty-five million, eight hundred eighty-seven thousand, one hundred fifteen".