107888991 has 16 divisors (see below), whose sum is σ = 164607744. Its totient is φ = 61573824.

The previous prime is 107888971. The next prime is 107889029. The reversal of 107888991 is 199888701.

It is not a de Polignac number, because 107888991 - 2¹¹ = 107886943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107888941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16936 + ... + 22418.

It is an arithmetic number, because the mean of its divisors is an integer number (10287984).

Almost surely, 2^107888991 is an apocalyptic number.

107888991 is a deficient number, since it is larger than the sum of its proper divisors (56718753).

107888991 is an equidigital number, since it uses as much as digits as its factorization.

107888991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6430.

The product of its (nonzero) digits is 290304, while the sum is 51.

The square root of 107888991 is about 10386.9625492730. The cubic root of 107888991 is about 476.0570968747.

The spelling of 107888991 in words is "one hundred seven million, eight hundred eighty-eight thousand, nine hundred ninety-one".