118937887 has 4 divisors (see below), whose sum is σ = 118975120. Its totient is φ = 118900656.

The previous prime is 118937867. The next prime is 118937939. The reversal of 118937887 is 788739811.

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 118937887 - 2²³ = 110549279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118937827) 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, 13323 + ... + 20380.

It is an arithmetic number, because the mean of its divisors is an integer number (29743780).

Almost surely, 2^118937887 is an apocalyptic number.

118937887 is a deficient number, since it is larger than the sum of its proper divisors (37233).

118937887 is an equidigital number, since it uses as much as digits as its factorization.

118937887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37232.

The product of its digits is 677376, while the sum is 52.

The square root of 118937887 is about 10905.8647983551. The cubic root of 118937887 is about 491.7828803267.

The spelling of 118937887 in words is "one hundred eighteen million, nine hundred thirty-seven thousand, eight hundred eighty-seven".