64476933108 has 48 divisors (see below), whose sum is σ = 177484898304. Its totient is φ = 17827722720.

The previous prime is 64476933047. The next prime is 64476933121. The reversal of 64476933108 is 80133967446.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12377760 + ... + 12382967.

It is an arithmetic number, because the mean of its divisors is an integer number (3697602048).

Almost surely, 2^64476933108 is an apocalyptic number.

It is an amenable number.

64476933108 is an abundant number, since it is smaller than the sum of its proper divisors (113007965196).

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

64476933108 is a wasteful number, since it uses less digits than its factorization.

64476933108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24760772 (or 24760770 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 64476933108 in words is "sixty-four billion, four hundred seventy-six million, nine hundred thirty-three thousand, one hundred eight".