76172243980 has 48 divisors (see below), whose sum is σ = 185127505920. Its totient is φ = 25785609408.

The previous prime is 76172243963. The next prime is 76172244107. The reversal of 76172243980 is 8934227167.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3432532 + ... + 3454651.

It is an arithmetic number, because the mean of its divisors is an integer number (3856823040).

Almost surely, 2^76172243980 is an apocalyptic number.

76172243980 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

76172243980 is an abundant number, since it is smaller than the sum of its proper divisors (108955261940).

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

76172243980 is a wasteful number, since it uses less digits than its factorization.

76172243980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6887278 (or 6887276 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 76172243980 in words is "seventy-six billion, one hundred seventy-two million, two hundred forty-three thousand, nine hundred eighty".