87038170 has 8 divisors (see below), whose sum is σ = 156668724. Its totient is φ = 34815264.

The previous prime is 87038167. The next prime is 87038177. The reversal of 87038170 is 7183078.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 86657481 + 380689 = 9309^2 + 617^2 .

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

It is not an unprimeable number, because it can be changed into a prime (87038177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4351899 + ... + 4351918.

Almost surely, 2^87038170 is an apocalyptic number.

87038170 is a deficient number, since it is larger than the sum of its proper divisors (69630554).

87038170 is a wasteful number, since it uses less digits than its factorization.

87038170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8703824.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 87038170 is about 9329.4249554836. The cubic root of 87038170 is about 443.1695546440.

The spelling of 87038170 in words is "eighty-seven million, thirty-eight thousand, one hundred seventy".