85190415 has 32 divisors (see below), whose sum is σ = 141668352. Its totient is φ = 43680000.

The previous prime is 85190407. The next prime is 85190431. The reversal of 85190415 is 51409158.

It is not a de Polignac number, because 85190415 - 2³ = 85190407 is a prime.

It is a congruent number.

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, 42690 + ... + 44640.

It is an arithmetic number, because the mean of its divisors is an integer number (4427136).

Almost surely, 2^85190415 is an apocalyptic number.

85190415 is a deficient number, since it is larger than the sum of its proper divisors (56477937).

85190415 is a wasteful number, since it uses less digits than its factorization.

85190415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 85190415 is about 9229.8653836337. The cubic root of 85190415 is about 440.0110448329.

The spelling of 85190415 in words is "eighty-five million, one hundred ninety thousand, four hundred fifteen".