87610085 has 4 divisors (see below), whose sum is σ = 105132108. Its totient is φ = 70088064.

The previous prime is 87610067. The next prime is 87610093. The reversal of 87610085 is 58001678.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59243809 + 28366276 = 7697^2 + 5326^2 .

It is a cyclic number.

It is not a de Polignac number, because 87610085 - 2²² = 83415781 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 8761004 + ... + 8761013.

It is an arithmetic number, because the mean of its divisors is an integer number (26283027).

Almost surely, 2^87610085 is an apocalyptic number.

It is an amenable number.

87610085 is a deficient number, since it is larger than the sum of its proper divisors (17522023).

87610085 is a wasteful number, since it uses less digits than its factorization.

87610085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17522022.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 87610085 is about 9360.0259080838. The cubic root of 87610085 is about 444.1381036317.

The spelling of 87610085 in words is "eighty-seven million, six hundred ten thousand, eighty-five".