87405016 has 16 divisors (see below), whose sum is σ = 172510200. Its totient is φ = 41402304.

The previous prime is 87405013. The next prime is 87405053. The reversal of 87405016 is 61050478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87405011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287365 + ... + 287668.

Almost surely, 2^87405016 is an apocalyptic number.

It is an amenable number.

87405016 is a deficient number, since it is larger than the sum of its proper divisors (85105184).

87405016 is a wasteful number, since it uses less digits than its factorization.

87405016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575058 (or 575054 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 87405016 is about 9349.0649799860. The cubic root of 87405016 is about 443.7913014259.

The spelling of 87405016 in words is "eighty-seven million, four hundred five thousand, sixteen".