87231423216 has 80 divisors (see below), whose sum is σ = 263020022784. Its totient is φ = 24392977152.

The previous prime is 87231423143. The next prime is 87231423319. The reversal of 87231423216 is 61232413278.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2746095 + ... + 2777678.

Almost surely, 2^87231423216 is an apocalyptic number.

It is an amenable number.

87231423216 is an abundant number, since it is smaller than the sum of its proper divisors (175788599568).

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

87231423216 is a wasteful number, since it uses less digits than its factorization.

87231423216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5523838 (or 5523832 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The spelling of 87231423216 in words is "eighty-seven billion, two hundred thirty-one million, four hundred twenty-three thousand, two hundred sixteen".