77983466792 has 64 divisors (see below), whose sum is σ = 184347446400. Its totient is φ = 30041763840.

The previous prime is 77983466783. The next prime is 77983466809. The reversal of 77983466792 is 29766438977.

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 15 ways as a sum of consecutive naturals, for example, 656393 + ... + 766040.

It is an arithmetic number, because the mean of its divisors is an integer number (2880428850).

Almost surely, 2^77983466792 is an apocalyptic number.

It is an amenable number.

77983466792 is an abundant number, since it is smaller than the sum of its proper divisors (106363979608).

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

77983466792 is a wasteful number, since it uses less digits than its factorization.

77983466792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422546 (or 1422542 counting only the distinct ones).

The product of its digits is 192036096, while the sum is 68.

The spelling of 77983466792 in words is "seventy-seven billion, nine hundred eighty-three million, four hundred sixty-six thousand, seven hundred ninety-two".