77788856034362 has 48 divisors (see below), whose sum is σ = 136854842974080. Its totient is φ = 33038722221120.

The previous prime is 77788856034353. The next prime is 77788856034401. The reversal of 77788856034362 is 26343065888777.

It is a super-2 number, since 2×77788856034362² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77788856034362.

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, 115540898 + ... + 116212205.

It is an arithmetic number, because the mean of its divisors is an integer number (2851142561960).

Almost surely, 2^{77788856034362} is an apocalyptic number.

77788856034362 is a deficient number, since it is larger than the sum of its proper divisors (59065986939718).

77788856034362 is a wasteful number, since it uses less digits than its factorization.

77788856034362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231753219 (or 231753208 counting only the distinct ones).

The product of its (nonzero) digits is 2275983360, while the sum is 74.

The spelling of 77788856034362 in words is "seventy-seven trillion, seven hundred eighty-eight billion, eight hundred fifty-six million, thirty-four thousand, three hundred sixty-two".