86720118 has 8 divisors (see below), whose sum is σ = 173440248. Its totient is φ = 28906704.

The previous prime is 86720099. The next prime is 86720149. The reversal of 86720118 is 81102768.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

86720118 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7226671 + ... + 7226682.

It is an arithmetic number, because the mean of its divisors is an integer number (21680031).

Almost surely, 2^86720118 is an apocalyptic number.

86720118 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86720118 is a wasteful number, since it uses less digits than its factorization.

86720118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14453358.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 86720118 is about 9312.3637171236. The cubic root of 86720118 is about 442.6290906204.

The spelling of 86720118 in words is "eighty-six million, seven hundred twenty thousand, one hundred eighteen".