118893087 has 24 divisors (see below), whose sum is σ = 184831920. Its totient is φ = 73370880.

The previous prime is 118893079. The next prime is 118893149. The reversal of 118893087 is 780398811.

It is not a de Polignac number, because 118893087 - 2³ = 118893079 is a prime.

It is a super-2 number, since 2×118893087² = 28271132272779138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118893017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2964 + ... + 15702.

It is an arithmetic number, because the mean of its divisors is an integer number (7701330).

Almost surely, 2^118893087 is an apocalyptic number.

118893087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

118893087 is a deficient number, since it is larger than the sum of its proper divisors (65938833).

118893087 is a wasteful number, since it uses less digits than its factorization.

118893087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12823 (or 12820 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The square root of 118893087 is about 10903.8106641669. The cubic root of 118893087 is about 491.7211264135.

The spelling of 118893087 in words is "one hundred eighteen million, eight hundred ninety-three thousand, eighty-seven".