77164327436 has 48 divisors (see below), whose sum is σ = 157223109120. Its totient is φ = 32455468800.

The previous prime is 77164327397. The next prime is 77164327469. The reversal of 77164327436 is 63472346177.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240980 + ... + 460868.

It is an arithmetic number, because the mean of its divisors is an integer number (3275481440).

Almost surely, 2^77164327436 is an apocalyptic number.

It is an amenable number.

77164327436 is an abundant number, since it is smaller than the sum of its proper divisors (80058781684).

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

77164327436 is a wasteful number, since it uses less digits than its factorization.

77164327436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220134 (or 220132 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 50.

The spelling of 77164327436 in words is "seventy-seven billion, one hundred sixty-four million, three hundred twenty-seven thousand, four hundred thirty-six".