87510087 has 24 divisors (see below), whose sum is σ = 145433600. Its totient is φ = 49669200.

The previous prime is 87510083. The next prime is 87510097. The reversal of 87510087 is 78001578.

It is not a de Polignac number, because 87510087 - 2² = 87510083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87510083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4914 + ... + 14112.

Almost surely, 2^87510087 is an apocalyptic number.

87510087 is a deficient number, since it is larger than the sum of its proper divisors (57923513).

87510087 is a wasteful number, since it uses less digits than its factorization.

87510087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9363 (or 9360 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 36.

The square root of 87510087 is about 9354.6826242262. The cubic root of 87510087 is about 443.9690598114.

The spelling of 87510087 in words is "eighty-seven million, five hundred ten thousand, eighty-seven".