108857887471 has 4 divisors (see below), whose sum is σ = 108879410200. Its totient is φ = 108836364744.

The previous prime is 108857887447. The next prime is 108857887477. The reversal of 108857887471 is 174788758801.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 108857887471 - 2³¹ = 106710403823 is a prime.

It is a super-3 number, since 3×108857887471³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108857887477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10753776 + ... + 10763893.

It is an arithmetic number, because the mean of its divisors is an integer number (27219852550).

Almost surely, 2^108857887471 is an apocalyptic number.

108857887471 is a deficient number, since it is larger than the sum of its proper divisors (21522729).

108857887471 is an equidigital number, since it uses as much as digits as its factorization.

108857887471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21522728.

The product of its (nonzero) digits is 28098560, while the sum is 64.

The spelling of 108857887471 in words is "one hundred eight billion, eight hundred fifty-seven million, eight hundred eighty-seven thousand, four hundred seventy-one".