85190613 has 16 divisors (see below), whose sum is σ = 116998656. Its totient is φ = 55097280.

The previous prime is 85190591. The next prime is 85190627. The reversal of 85190613 is 31609158.

It is not a de Polignac number, because 85190613 - 2⁹ = 85190101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85190653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45820 + ... + 47642.

It is an arithmetic number, because the mean of its divisors is an integer number (7312416).

Almost surely, 2^85190613 is an apocalyptic number.

It is an amenable number.

85190613 is a deficient number, since it is larger than the sum of its proper divisors (31808043).

85190613 is a wasteful number, since it uses less digits than its factorization.

85190613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 85190613 is about 9229.8761096777. The cubic root of 85190613 is about 440.0113857247.

The spelling of 85190613 in words is "eighty-five million, one hundred ninety thousand, six hundred thirteen".