64879655700 has 36 divisors (see below), whose sum is σ = 187718471360. Its totient is φ = 17301241440.

The previous prime is 64879655653. The next prime is 64879655749. The reversal of 64879655700 is 755697846.

64879655700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108132460 + ... + 108133059.

Almost surely, 2^64879655700 is an apocalyptic number.

64879655700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64879655700 is an abundant number, since it is smaller than the sum of its proper divisors (122838815660).

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

64879655700 is a wasteful number, since it uses less digits than its factorization.

64879655700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216265536 (or 216265529 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 57.

The spelling of 64879655700 in words is "sixty-four billion, eight hundred seventy-nine million, six hundred fifty-five thousand, seven hundred".