64757876412 has 48 divisors (see below), whose sum is σ = 161932764672. Its totient is φ = 20089396800.

The previous prime is 64757876411. The next prime is 64757876429. The reversal of 64757876412 is 21467875746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64757876411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3160464 + ... + 3180887.

It is an arithmetic number, because the mean of its divisors is an integer number (3373599264).

Almost surely, 2^64757876412 is an apocalyptic number.

It is an amenable number.

64757876412 is an abundant number, since it is smaller than the sum of its proper divisors (97174888260).

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

64757876412 is a wasteful number, since it uses less digits than its factorization.

64757876412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6341418 (or 6341416 counting only the distinct ones).

The product of its digits is 15805440, while the sum is 57.

It can be divided in two parts, 6475 and 7876412, that added together give a palindrome (7882887).

The spelling of 64757876412 in words is "sixty-four billion, seven hundred fifty-seven million, eight hundred seventy-six thousand, four hundred twelve".