87211344 has 40 divisors (see below), whose sum is σ = 245778912. Its totient is φ = 26427520.

The previous prime is 87211307. The next prime is 87211363. The reversal of 87211344 is 44311278.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82059 + ... + 83114.

Almost surely, 2^87211344 is an apocalyptic number.

It is an amenable number.

87211344 is an abundant number, since it is smaller than the sum of its proper divisors (158567568).

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

87211344 is a wasteful number, since it uses less digits than its factorization.

87211344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165195 (or 165189 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 87211344 is about 9338.7014086542. The cubic root of 87211344 is about 443.4632748292.

The spelling of 87211344 in words is "eighty-seven million, two hundred eleven thousand, three hundred forty-four".