76991284532272 has 40 divisors (see below), whose sum is σ = 162732672567360. Its totient is φ = 34995803177280.

The previous prime is 76991284532257. The next prime is 76991284532287. The reversal of 76991284532272 is 27223548219967.

It is an interprime number because it is at equal distance from previous prime (76991284532257) and next prime (76991284532287).

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 76991284532198 and 76991284532207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26268979 + ... + 29052397.

It is an arithmetic number, because the mean of its divisors is an integer number (4068316814184).

Almost surely, 2^{76991284532272} is an apocalyptic number.

It is an amenable number.

76991284532272 is an abundant number, since it is smaller than the sum of its proper divisors (85741388035088).

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

76991284532272 is a wasteful number, since it uses less digits than its factorization.

76991284532272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940601 (or 2940595 counting only the distinct ones).

The product of its digits is 182891520, while the sum is 67.

The spelling of 76991284532272 in words is "seventy-six trillion, nine hundred ninety-one billion, two hundred eighty-four million, five hundred thirty-two thousand, two hundred seventy-two".