77108361264 has 120 divisors (see below), whose sum is σ = 243279758960. Its totient is φ = 23366154240.

The previous prime is 77108361259. The next prime is 77108361287. The reversal of 77108361264 is 46216380177.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 685297 + ... + 789840.

Almost surely, 2^77108361264 is an apocalyptic number.

It is an amenable number.

77108361264 is an abundant number, since it is smaller than the sum of its proper divisors (166171397696).

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

77108361264 is a wasteful number, since it uses less digits than its factorization.

77108361264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475176 (or 1475153 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 77108361264 in words is "seventy-seven billion, one hundred eight million, three hundred sixty-one thousand, two hundred sixty-four".