77328379168 has 24 divisors (see below), whose sum is σ = 152395181568. Its totient is φ = 38624841024.

The previous prime is 77328379147. The next prime is 77328379169. The reversal of 77328379168 is 86197382377.

It is not an unprimeable number, because it can be changed into a prime (77328379169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1197696 + ... + 1260607.

It is an arithmetic number, because the mean of its divisors is an integer number (6349799232).

Almost surely, 2^77328379168 is an apocalyptic number.

It is an amenable number.

77328379168 is a deficient number, since it is larger than the sum of its proper divisors (75066802400).

77328379168 is a wasteful number, since it uses less digits than its factorization.

77328379168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459296 (or 2459288 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 61.

The spelling of 77328379168 in words is "seventy-seven billion, three hundred twenty-eight million, three hundred seventy-nine thousand, one hundred sixty-eight".