77976412132 has 24 divisors (see below), whose sum is σ = 136788309056. Its totient is φ = 38894097888.

The previous prime is 77976412109. The next prime is 77976412139. The reversal of 77976412132 is 23121467977.

It is not an unprimeable number, because it can be changed into a prime (77976412139) by changing a digit.

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, 7266523 + ... + 7277245.

Almost surely, 2^77976412132 is an apocalyptic number.

It is an amenable number.

77976412132 is a deficient number, since it is larger than the sum of its proper divisors (58811896924).

77976412132 is a wasteful number, since it uses less digits than its factorization.

77976412132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14947 (or 14945 counting only the distinct ones).

The product of its digits is 889056, while the sum is 49.

The spelling of 77976412132 in words is "seventy-seven billion, nine hundred seventy-six million, four hundred twelve thousand, one hundred thirty-two".