77069744700388 has 72 divisors (see below), whose sum is σ = 155301275705184. Its totient is φ = 33184357948800.

The previous prime is 77069744700373. The next prime is 77069744700433. The reversal of 77069744700388 is 88300744796077.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150117568 + ... + 150630088.

It is an arithmetic number, because the mean of its divisors is an integer number (2156962162572).

Almost surely, 2^{77069744700388} is an apocalyptic number.

It is an amenable number.

77069744700388 is an abundant number, since it is smaller than the sum of its proper divisors (78231531004796).

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

77069744700388 is a wasteful number, since it uses less digits than its factorization.

77069744700388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522041 (or 522020 counting only the distinct ones).

The product of its (nonzero) digits is 398297088, while the sum is 70.

The spelling of 77069744700388 in words is "seventy-seven trillion, sixty-nine billion, seven hundred forty-four million, seven hundred thousand, three hundred eighty-eight".