108857523771 has 6 divisors (see below), whose sum is σ = 157238645460. Its totient is φ = 72571682508.

The previous prime is 108857523757. The next prime is 108857523823. The reversal of 108857523771 is 177325758801.

108857523771 is a `hidden beast` number, since 108 + 8 + 5 + 7 + 523 + 7 + 7 + 1 = 666.

It is not a de Polignac number, because 108857523771 - 2¹¹ = 108857521723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108857523701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6047640201 + ... + 6047640218.

It is an arithmetic number, because the mean of its divisors is an integer number (26206440910).

Almost surely, 2^108857523771 is an apocalyptic number.

108857523771 is a deficient number, since it is larger than the sum of its proper divisors (48381121689).

108857523771 is a wasteful number, since it uses less digits than its factorization.

108857523771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12095280425 (or 12095280422 counting only the distinct ones).

The product of its (nonzero) digits is 3292800, while the sum is 54.

The spelling of 108857523771 in words is "one hundred eight billion, eight hundred fifty-seven million, five hundred twenty-three thousand, seven hundred seventy-one".