87230613 has 16 divisors (see below), whose sum is σ = 117855360. Its totient is φ = 57385536.

The previous prime is 87230609. The next prime is 87230623. The reversal of 87230613 is 31603278.

It is not a de Polignac number, because 87230613 - 2² = 87230609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87230603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78103 + ... + 79211.

It is an arithmetic number, because the mean of its divisors is an integer number (7365960).

Almost surely, 2^87230613 is an apocalyptic number.

It is an amenable number.

87230613 is a deficient number, since it is larger than the sum of its proper divisors (30624747).

87230613 is a wasteful number, since it uses less digits than its factorization.

87230613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 87230613 is about 9339.7330261630. The cubic root of 87230613 is about 443.4959329070.

The spelling of 87230613 in words is "eighty-seven million, two hundred thirty thousand, six hundred thirteen".