77481634824 has 48 divisors (see below), whose sum is σ = 228923014320. Its totient is φ = 23479283040.

The previous prime is 77481634793. The next prime is 77481634829. The reversal of 77481634824 is 42843618477.

It is not an unprimeable number, because it can be changed into a prime (77481634829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48914382 + ... + 48915965.

It is an arithmetic number, because the mean of its divisors is an integer number (4769229465).

Almost surely, 2^77481634824 is an apocalyptic number.

It is an amenable number.

77481634824 is an abundant number, since it is smaller than the sum of its proper divisors (151441379496).

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

77481634824 is a wasteful number, since it uses less digits than its factorization.

77481634824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97830370 (or 97830363 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 54.

The spelling of 77481634824 in words is "seventy-seven billion, four hundred eighty-one million, six hundred thirty-four thousand, eight hundred twenty-four".