87233895 has 32 divisors (see below), whose sum is σ = 177239040. Its totient is φ = 39877920.

The previous prime is 87233891. The next prime is 87233897. The reversal of 87233895 is 59833278.

It is not a de Polignac number, because 87233895 - 2² = 87233891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 87233895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87233891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45211 + ... + 47100.

It is an arithmetic number, because the mean of its divisors is an integer number (5538720).

Almost surely, 2^87233895 is an apocalyptic number.

87233895 is an abundant number, since it is smaller than the sum of its proper divisors (90005145).

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

87233895 is a wasteful number, since it uses less digits than its factorization.

87233895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92332 (or 92326 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 87233895 is about 9339.9087254641. The cubic root of 87233895 is about 443.5014949276.

The spelling of 87233895 in words is "eighty-seven million, two hundred thirty-three thousand, eight hundred ninety-five".