85310715 has 48 divisors (see below), whose sum is σ = 163125792. Its totient is φ = 37933056.

The previous prime is 85310713. The next prime is 85310717. The reversal of 85310715 is 51701358.

It is an interprime number because it is at equal distance from previous prime (85310713) and next prime (85310717).

It is not a de Polignac number, because 85310715 - 2¹ = 85310713 is a prime.

It is a super-2 number, since 2×85310715² = 14555836187622450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85310711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25627 + ... + 28763.

It is an arithmetic number, because the mean of its divisors is an integer number (3398454).

Almost surely, 2^85310715 is an apocalyptic number.

85310715 is a deficient number, since it is larger than the sum of its proper divisors (77815077).

85310715 is a wasteful number, since it uses less digits than its factorization.

85310715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196 (or 3189 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 85310715 is about 9236.3799726949. The cubic root of 85310715 is about 440.2180651179.

The spelling of 85310715 in words is "eighty-five million, three hundred ten thousand, seven hundred fifteen".