87468231 has 12 divisors (see below), whose sum is σ = 117351096. Its totient is φ = 57950640.

The previous prime is 87468209. The next prime is 87468233. The reversal of 87468231 is 13286478.

It is not a de Polignac number, because 87468231 - 2¹³ = 87460039 is a prime.

It is a super-2 number, since 2×87468231² = 15301382868538722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87468231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87468233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220125 + ... + 220521.

It is an arithmetic number, because the mean of its divisors is an integer number (9779258).

Almost surely, 2^87468231 is an apocalyptic number.

87468231 is a deficient number, since it is larger than the sum of its proper divisors (29882865).

87468231 is an equidigital number, since it uses as much as digits as its factorization.

87468231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 671 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 87468231 is about 9352.4451882917. The cubic root of 87468231 is about 443.8982651822.

The spelling of 87468231 in words is "eighty-seven million, four hundred sixty-eight thousand, two hundred thirty-one".