76831669552 has 80 divisors (see below), whose sum is σ = 165918523392. Its totient is φ = 34173135360.

The previous prime is 76831669529. The next prime is 76831669573. The reversal of 76831669552 is 25596613867.

It is a super-2 number, since 2×76831669552² (a number of 23 digits) contains 22 as substring.

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, 1608153 + ... + 1655239.

Almost surely, 2^76831669552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76831669552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82959261696).

76831669552 is an abundant number, since it is smaller than the sum of its proper divisors (89086853840).

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

76831669552 is a wasteful number, since it uses less digits than its factorization.

76831669552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47306 (or 47300 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 58.

The spelling of 76831669552 in words is "seventy-six billion, eight hundred thirty-one million, six hundred sixty-nine thousand, five hundred fifty-two".