64676563710 has 64 divisors (see below), whose sum is σ = 170194742784. Its totient is φ = 15599561600.

The previous prime is 64676563669. The next prime is 64676563727. The reversal of 64676563710 is 1736567646.

It is a happy number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 432426 + ... + 562445.

It is an arithmetic number, because the mean of its divisors is an integer number (2659292856).

Almost surely, 2^64676563710 is an apocalyptic number.

64676563710 is an abundant number, since it is smaller than the sum of its proper divisors (105518179074).

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

64676563710 is a wasteful number, since it uses less digits than its factorization.

64676563710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995089.

The product of its (nonzero) digits is 3810240, while the sum is 51.

The spelling of 64676563710 in words is "sixty-four billion, six hundred seventy-six million, five hundred sixty-three thousand, seven hundred ten".