76381264280 has 32 divisors (see below), whose sum is σ = 172886948640. Its totient is φ = 30369553920.

The previous prime is 76381264249. The next prime is 76381264321. The reversal of 76381264280 is 8246218367.

It is a super-2 number, since 2×76381264280² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 5710481 + ... + 5723840.

It is an arithmetic number, because the mean of its divisors is an integer number (5402717145).

Almost surely, 2^76381264280 is an apocalyptic number.

It is an amenable number.

76381264280 is an abundant number, since it is smaller than the sum of its proper divisors (96505684360).

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

76381264280 is a wasteful number, since it uses less digits than its factorization.

76381264280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11434499 (or 11434495 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 76381264280 in words is "seventy-six billion, three hundred eighty-one million, two hundred sixty-four thousand, two hundred eighty".