87255155 has 16 divisors (see below), whose sum is σ = 114035040. Its totient is φ = 63706368.

The previous prime is 87255151. The next prime is 87255167. The reversal of 87255155 is 55155278.

It is a cyclic number.

It is not a de Polignac number, because 87255155 - 2² = 87255151 is a prime.

It is a super-2 number, since 2×87255155² = 15226924148148050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87255151) 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, 1757 + ... + 13326.

It is an arithmetic number, because the mean of its divisors is an integer number (7127190).

Almost surely, 2^87255155 is an apocalyptic number.

87255155 is a deficient number, since it is larger than the sum of its proper divisors (26779885).

87255155 is a wasteful number, since it uses less digits than its factorization.

87255155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15190.

The product of its digits is 70000, while the sum is 38.

The square root of 87255155 is about 9341.0467828825. The cubic root of 87255155 is about 443.5375209697.

The spelling of 87255155 in words is "eighty-seven million, two hundred fifty-five thousand, one hundred fifty-five".