107957891 has 4 divisors (see below), whose sum is σ = 107979072. Its totient is φ = 107936712.

The previous prime is 107957869. The next prime is 107957893. The reversal of 107957891 is 198759701.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107957891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107957893) 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, 2225 + ... + 14861.

It is an arithmetic number, because the mean of its divisors is an integer number (26994768).

Almost surely, 2^107957891 is an apocalyptic number.

107957891 is a deficient number, since it is larger than the sum of its proper divisors (21181).

107957891 is an equidigital number, since it uses as much as digits as its factorization.

107957891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21180.

The product of its (nonzero) digits is 158760, while the sum is 47.

The square root of 107957891 is about 10390.2786776871. The cubic root of 107957891 is about 476.1584150717.

The spelling of 107957891 in words is "one hundred seven million, nine hundred fifty-seven thousand, eight hundred ninety-one".