764137240028 has 12 divisors (see below), whose sum is σ = 1380376949952. Its totient is φ = 369743825760.

The previous prime is 764137239991. The next prime is 764137240057. The reversal of 764137240028 is 820042731467.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3081198425 + ... + 3081198672.

It is an arithmetic number, because the mean of its divisors is an integer number (115031412496).

Almost surely, 2^764137240028 is an apocalyptic number.

It is an amenable number.

764137240028 is a deficient number, since it is larger than the sum of its proper divisors (616239709924).

764137240028 is a wasteful number, since it uses less digits than its factorization.

764137240028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6162397132 (or 6162397130 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 764137240028 in words is "seven hundred sixty-four billion, one hundred thirty-seven million, two hundred forty thousand, twenty-eight".