87087170 has 8 divisors (see below), whose sum is σ = 156756924. Its totient is φ = 34834864.

The previous prime is 87087163. The next prime is 87087181. The reversal of 87087170 is 7178078.

It can be written as a sum of positive squares in 2 ways, for example, as 80802121 + 6285049 = 8989^2 + 2507^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4354349 + ... + 4354368.

Almost surely, 2^87087170 is an apocalyptic number.

87087170 is a deficient number, since it is larger than the sum of its proper divisors (69669754).

87087170 is a wasteful number, since it uses less digits than its factorization.

87087170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8708724.

The product of its (nonzero) digits is 21952, while the sum is 38.

The square root of 87087170 is about 9332.0506856746. The cubic root of 87087170 is about 443.2527029701.

The spelling of 87087170 in words is "eighty-seven million, eighty-seven thousand, one hundred seventy".