118996087 has 16 divisors (see below), whose sum is σ = 138611200. Its totient is φ = 100048608.

The previous prime is 118996081. The next prime is 118996099. The reversal of 118996087 is 780699811.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118996087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118996087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118996081) 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, 163318 + ... + 164044.

It is an arithmetic number, because the mean of its divisors is an integer number (8663200).

Almost surely, 2^118996087 is an apocalyptic number.

118996087 is a deficient number, since it is larger than the sum of its proper divisors (19615113).

118996087 is an equidigital number, since it uses as much as digits as its factorization.

118996087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150.

The product of its (nonzero) digits is 217728, while the sum is 49.

The square root of 118996087 is about 10908.5327611004. The cubic root of 118996087 is about 491.8630821225.

The spelling of 118996087 in words is "one hundred eighteen million, nine hundred ninety-six thousand, eighty-seven".