85358515 has 16 divisors (see below), whose sum is σ = 114470496. Its totient is φ = 60563200.

The previous prime is 85358509. The next prime is 85358521. The reversal of 85358515 is 51585358.

It is an interprime number because it is at equal distance from previous prime (85358509) and next prime (85358521).

It is not a de Polignac number, because 85358515 - 2¹³ = 85350323 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16672 + ... + 21181.

It is an arithmetic number, because the mean of its divisors is an integer number (7154406).

Almost surely, 2^85358515 is an apocalyptic number.

85358515 is a deficient number, since it is larger than the sum of its proper divisors (29111981).

85358515 is a wasteful number, since it uses less digits than its factorization.

85358515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37910.

The product of its digits is 120000, while the sum is 40.

The square root of 85358515 is about 9238.9672041847. The cubic root of 85358515 is about 440.3002685264.

The spelling of 85358515 in words is "eighty-five million, three hundred fifty-eight thousand, five hundred fifteen".