85415475 has 24 divisors (see below), whose sum is σ = 143163952. Its totient is φ = 44928000.

The previous prime is 85415459. The next prime is 85415483. The reversal of 85415475 is 57451458.

It is not a de Polignac number, because 85415475 - 2⁴ = 85415459 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2326 + ... + 13275.

Almost surely, 2^85415475 is an apocalyptic number.

85415475 is a deficient number, since it is larger than the sum of its proper divisors (57748477).

85415475 is a wasteful number, since it uses less digits than its factorization.

85415475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15687 (or 15682 counting only the distinct ones).

The product of its digits is 112000, while the sum is 39.

The square root of 85415475 is about 9242.0492857374. The cubic root of 85415475 is about 440.3981846583.

The spelling of 85415475 in words is "eighty-five million, four hundred fifteen thousand, four hundred seventy-five".