64506862796 has 12 divisors (see below), whose sum is σ = 112888844040. Its totient is φ = 32252907360.

The previous prime is 64506862759. The next prime is 64506862801. The reversal of 64506862796 is 69726860546.

It is a happy number.

It is a super-2 number, since 2×64506862796² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313631 + ... + 476841.

It is an arithmetic number, because the mean of its divisors is an integer number (9407403670).

Almost surely, 2^64506862796 is an apocalyptic number.

It is an amenable number.

64506862796 is a deficient number, since it is larger than the sum of its proper divisors (48381981244).

64506862796 is a wasteful number, since it uses less digits than its factorization.

64506862796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262024 (or 262022 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 64506862796 in words is "sixty-four billion, five hundred six million, eight hundred sixty-two thousand, seven hundred ninety-six".