64764705900 has 36 divisors (see below), whose sum is σ = 187385883272. Its totient is φ = 17270588160.

The previous prime is 64764705883. The next prime is 64764705913. The reversal of 64764705900 is 950746746.

It is a self number, because there is not a number n which added to its sum of digits gives 64764705900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107940877 + ... + 107941476.

Almost surely, 2^64764705900 is an apocalyptic number.

64764705900 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64764705900 is an abundant number, since it is smaller than the sum of its proper divisors (122621177372).

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

64764705900 is a wasteful number, since it uses less digits than its factorization.

64764705900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215882370 (or 215882363 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 64764705900 in words is "sixty-four billion, seven hundred sixty-four million, seven hundred five thousand, nine hundred".