64369868 has 6 divisors (see below), whose sum is σ = 112647276. Its totient is φ = 32184932.

The previous prime is 64369859. The next prime is 64369883. The reversal of 64369868 is 86896346.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8046230 + ... + 8046237.

It is an arithmetic number, because the mean of its divisors is an integer number (18774546).

Almost surely, 2^64369868 is an apocalyptic number.

It is an amenable number.

64369868 is a deficient number, since it is larger than the sum of its proper divisors (48277408).

64369868 is a wasteful number, since it uses less digits than its factorization.

64369868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16092471 (or 16092469 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 50.

The square root of 64369868 is about 8023.0834471542. The cubic root of 64369868 is about 400.7690786806.

The spelling of 64369868 in words is "sixty-four million, three hundred sixty-nine thousand, eight hundred sixty-eight".