64768760506 has 32 divisors (see below), whose sum is σ = 101263478400. Its totient is φ = 31044288000.

The previous prime is 64768760491. The next prime is 64768760549. The reversal of 64768760506 is 60506786746.

64768760506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2188395 + ... + 2217793.

It is an arithmetic number, because the mean of its divisors is an integer number (3164483700).

Almost surely, 2^64768760506 is an apocalyptic number.

64768760506 is a deficient number, since it is larger than the sum of its proper divisors (36494717894).

64768760506 is a wasteful number, since it uses less digits than its factorization.

64768760506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29910.

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 64768760506 in words is "sixty-four billion, seven hundred sixty-eight million, seven hundred sixty thousand, five hundred six".