77727124076 has 24 divisors (see below), whose sum is σ = 156027895296. Its totient is φ = 33188700240.

The previous prime is 77727124063. The next prime is 77727124133. The reversal of 77727124076 is 67042172777.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5114126 + ... + 5129301.

It is an arithmetic number, because the mean of its divisors is an integer number (6501162304).

Almost surely, 2^77727124076 is an apocalyptic number.

It is an amenable number.

77727124076 is an abundant number, since it is smaller than the sum of its proper divisors (78300771220).

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

77727124076 is a wasteful number, since it uses less digits than its factorization.

77727124076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10243709 (or 10243707 counting only the distinct ones).

The product of its (nonzero) digits is 1613472, while the sum is 50.

The spelling of 77727124076 in words is "seventy-seven billion, seven hundred twenty-seven million, one hundred twenty-four thousand, seventy-six".