85151715 has 32 divisors (see below), whose sum is σ = 149976576. Its totient is φ = 40911360.

The previous prime is 85151701. The next prime is 85151753. The reversal of 85151715 is 51715158.

It is not a de Polignac number, because 85151715 - 2⁵ = 85151683 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16362 + ... + 20928.

It is an arithmetic number, because the mean of its divisors is an integer number (4686768).

Almost surely, 2^85151715 is an apocalyptic number.

85151715 is a deficient number, since it is larger than the sum of its proper divisors (64824861).

85151715 is a wasteful number, since it uses less digits than its factorization.

85151715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4699.

The product of its digits is 7000, while the sum is 33.

The square root of 85151715 is about 9227.7686902089. The cubic root of 85151715 is about 439.9444058547.

The spelling of 85151715 in words is "eighty-five million, one hundred fifty-one thousand, seven hundred fifteen".