87234155 has 16 divisors (see below), whose sum is σ = 109900800. Its totient is φ = 66384480.

The previous prime is 87234139. The next prime is 87234179. The reversal of 87234155 is 55143278.

It is a happy number.

It is not a de Polignac number, because 87234155 - 2⁴ = 87234139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4376 + ... + 13914.

It is an arithmetic number, because the mean of its divisors is an integer number (6868800).

Almost surely, 2^87234155 is an apocalyptic number.

87234155 is a deficient number, since it is larger than the sum of its proper divisors (22666645).

87234155 is a wasteful number, since it uses less digits than its factorization.

87234155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9634.

The product of its digits is 33600, while the sum is 35.

The square root of 87234155 is about 9339.9226442193. The cubic root of 87234155 is about 443.5019355449.

The spelling of 87234155 in words is "eighty-seven million, two hundred thirty-four thousand, one hundred fifty-five".