87400016 has 40 divisors (see below), whose sum is σ = 185967264. Its totient is φ = 39461760.

The previous prime is 87399989. The next prime is 87400039. The reversal of 87400016 is 61000478.

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, 26051 + ... + 29213.

Almost surely, 2^87400016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87400016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92983632).

87400016 is an abundant number, since it is smaller than the sum of its proper divisors (98567248).

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

87400016 is a wasteful number, since it uses less digits than its factorization.

87400016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339 (or 3333 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 87400016 is about 9348.7975697413. The cubic root of 87400016 is about 443.7828389108.

The spelling of 87400016 in words is "eighty-seven million, four hundred thousand, sixteen".