77047707708138 has 16 divisors (see below), whose sum is σ = 154425384191520. Its totient is φ = 25627574440176.

The previous prime is 77047707708119. The next prime is 77047707708203. The reversal of 77047707708138 is 83180770774077.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13748695933 + ... + 13748701536.

It is an arithmetic number, because the mean of its divisors is an integer number (9651586511970).

Almost surely, 2^{77047707708138} is an apocalyptic number.

77047707708138 is an abundant number, since it is smaller than the sum of its proper divisors (77377676483382).

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

77047707708138 is a wasteful number, since it uses less digits than its factorization.

77047707708138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27497397941.

The product of its (nonzero) digits is 90354432, while the sum is 66.

The spelling of 77047707708138 in words is "seventy-seven trillion, forty-seven billion, seven hundred seven million, seven hundred eight thousand, one hundred thirty-eight".