86955155 has 36 divisors (see below), whose sum is σ = 126479808. Its totient is φ = 57163680.

The previous prime is 86955151. The next prime is 86955181. The reversal of 86955155 is 55155968.

It is not a de Polignac number, because 86955155 - 2² = 86955151 is a prime.

It is a super-2 number, since 2×86955155² = 15122397962148050, which contains 22 as substring.

Its product of digits (270000) is a multiple of the sum of its prime divisors (150).

It is not an unprimeable number, because it can be changed into a prime (86955151) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 812612 + ... + 812718.

It is an arithmetic number, because the mean of its divisors is an integer number (3513328).

Almost surely, 2^86955155 is an apocalyptic number.

86955155 is a deficient number, since it is larger than the sum of its proper divisors (39524653).

86955155 is a wasteful number, since it uses less digits than its factorization.

86955155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 150 counting only the distinct ones).

The product of its digits is 270000, while the sum is 44.

The square root of 86955155 is about 9324.9747988936. The cubic root of 86955155 is about 443.0286148580.

The spelling of 86955155 in words is "eighty-six million, nine hundred fifty-five thousand, one hundred fifty-five".