107989557 has 32 divisors (see below), whose sum is σ = 159427968. Its totient is φ = 64613376.

The previous prime is 107989543. The next prime is 107989561. The reversal of 107989557 is 755989701.

It is not a de Polignac number, because 107989557 - 2¹⁶ = 107924021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107989507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236073 + ... + 236529.

It is an arithmetic number, because the mean of its divisors is an integer number (4982124).

Almost surely, 2^107989557 is an apocalyptic number.

It is an amenable number.

107989557 is a deficient number, since it is larger than the sum of its proper divisors (51438411).

107989557 is a wasteful number, since it uses less digits than its factorization.

107989557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629.

The product of its (nonzero) digits is 793800, while the sum is 51.

The square root of 107989557 is about 10391.8023941951. The cubic root of 107989557 is about 476.2049658094.

The spelling of 107989557 in words is "one hundred seven million, nine hundred eighty-nine thousand, five hundred fifty-seven".