761331399264 has 96 divisors (see below), whose sum is σ = 2243442428640. Its totient is φ = 251160846336.

The previous prime is 761331399253. The next prime is 761331399313. The reversal of 761331399264 is 462993133167.

761331399264 is a `hidden beast` number, since 7 + 61 + 3 + 313 + 9 + 9 + 264 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 761331399264.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4458309 + ... + 4625924.

It is an arithmetic number, because the mean of its divisors is an integer number (23369191965).

Almost surely, 2^761331399264 is an apocalyptic number.

It is an amenable number.

761331399264 is an abundant number, since it is smaller than the sum of its proper divisors (1482111029376).

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

761331399264 is a wasteful number, since it uses less digits than its factorization.

761331399264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9084349 (or 9084335 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 54.

The spelling of 761331399264 in words is "seven hundred sixty-one billion, three hundred thirty-one million, three hundred ninety-nine thousand, two hundred sixty-four".