77924329368 has 64 divisors (see below), whose sum is σ = 196254264960. Its totient is φ = 25783005696.

The previous prime is 77924329363. The next prime is 77924329387. The reversal of 77924329368 is 86392342977.

It is a super-2 number, since 2×77924329368² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77924329363) by changing a digit.

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, 1814755 + ... + 1857197.

It is an arithmetic number, because the mean of its divisors is an integer number (3066472890).

Almost surely, 2^77924329368 is an apocalyptic number.

It is an amenable number.

77924329368 is an abundant number, since it is smaller than the sum of its proper divisors (118329935592).

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

77924329368 is a wasteful number, since it uses less digits than its factorization.

77924329368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43016 (or 43012 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 60.

The spelling of 77924329368 in words is "seventy-seven billion, nine hundred twenty-four million, three hundred twenty-nine thousand, three hundred sixty-eight".