77316048041728 has 72 divisors (see below), whose sum is σ = 165092943046752. Its totient is φ = 36008929394688.

The previous prime is 77316048041717. The next prime is 77316048041731. The reversal of 77316048041728 is 82714084061377.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91153300 + ... + 91997587.

It is an arithmetic number, because the mean of its divisors is an integer number (2292957542316).

Almost surely, 2^{77316048041728} is an apocalyptic number.

It is an amenable number.

77316048041728 is an abundant number, since it is smaller than the sum of its proper divisors (87776895005024).

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

77316048041728 is a wasteful number, since it uses less digits than its factorization.

77316048041728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183151017 (or 183151003 counting only the distinct ones).

The product of its (nonzero) digits is 12644352, while the sum is 58.

The spelling of 77316048041728 in words is "seventy-seven trillion, three hundred sixteen billion, forty-eight million, forty-one thousand, seven hundred twenty-eight".