77392813700 has 36 divisors (see below), whose sum is σ = 167957531280. Its totient is φ = 30954337440.

The previous prime is 77392813661. The next prime is 77392813703. The reversal of 77392813700 is 731829377.

It is a super-2 number, since 2×77392813700² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77392813703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1357979 + ... + 1413821.

It is an arithmetic number, because the mean of its divisors is an integer number (4665486980).

Almost surely, 2^77392813700 is an apocalyptic number.

It is an amenable number.

77392813700 is an abundant number, since it is smaller than the sum of its proper divisors (90564717580).

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

77392813700 is a wasteful number, since it uses less digits than its factorization.

77392813700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69716 (or 69709 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 47.

The spelling of 77392813700 in words is "seventy-seven billion, three hundred ninety-two million, eight hundred thirteen thousand, seven hundred".