877720093161 has 16 divisors (see below), whose sum is σ = 1213406198400. Its totient is φ = 563682284928.

The previous prime is 877720093139. The next prime is 877720093169. The reversal of 877720093161 is 161390027778.

It is not a de Polignac number, because 877720093161 - 2⁶ = 877720093097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (877720093169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11452396 + ... + 11528781.

It is an arithmetic number, because the mean of its divisors is an integer number (75837887400).

Almost surely, 2^877720093161 is an apocalyptic number.

It is an amenable number.

877720093161 is a deficient number, since it is larger than the sum of its proper divisors (335686105239).

877720093161 is a wasteful number, since it uses less digits than its factorization.

877720093161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22981648.

The product of its (nonzero) digits is 889056, while the sum is 51.

The spelling of 877720093161 in words is "eight hundred seventy-seven billion, seven hundred twenty million, ninety-three thousand, one hundred sixty-one".