85310087 has 4 divisors (see below), whose sum is σ = 85347240. Its totient is φ = 85272936.

The previous prime is 85310051. The next prime is 85310107. The reversal of 85310087 is 78001358.

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

It is a cyclic number.

It is not a de Polignac number, because 85310087 - 2⁶ = 85310023 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 (85310287) 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, 14888 + ... + 19805.

It is an arithmetic number, because the mean of its divisors is an integer number (21336810).

Almost surely, 2^85310087 is an apocalyptic number.

85310087 is a deficient number, since it is larger than the sum of its proper divisors (37153).

85310087 is a wasteful number, since it uses less digits than its factorization.

85310087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37152.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 85310087 is about 9236.3459766295. The cubic root of 85310087 is about 440.2169849190.

The spelling of 85310087 in words is "eighty-five million, three hundred ten thousand, eighty-seven".