76884747488 has 24 divisors (see below), whose sum is σ = 151395029352. Its totient is φ = 38435216256.

The previous prime is 76884747479. The next prime is 76884747529. The reversal of 76884747488 is 88474748867.

It is a happy number.

It is a super-2 number, since 2×76884747488² (a number of 23 digits) contains 22 as substring.

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, 46970 + ... + 394937.

It is an arithmetic number, because the mean of its divisors is an integer number (6308126223).

Almost surely, 2^76884747488 is an apocalyptic number.

It is an amenable number.

76884747488 is a deficient number, since it is larger than the sum of its proper divisors (74510281864).

76884747488 is a wasteful number, since it uses less digits than its factorization.

76884747488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447354 (or 447346 counting only the distinct ones).

The product of its digits is 539492352, while the sum is 71.

The spelling of 76884747488 in words is "seventy-six billion, eight hundred eighty-four million, seven hundred forty-seven thousand, four hundred eighty-eight".