85399375 has 20 divisors (see below), whose sum is σ = 107796744. Its totient is φ = 67628000.

The previous prime is 85399343. The next prime is 85399387. The reversal of 85399375 is 57399358.

It is not a de Polignac number, because 85399375 - 2⁵ = 85399343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 66237 + ... + 67513.

Almost surely, 2^85399375 is an apocalyptic number.

85399375 is a deficient number, since it is larger than the sum of its proper divisors (22397369).

85399375 is a wasteful number, since it uses less digits than its factorization.

85399375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404 (or 1389 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 49.

The square root of 85399375 is about 9241.1782257459. The cubic root of 85399375 is about 440.3705126378.

The spelling of 85399375 in words is "eighty-five million, three hundred ninety-nine thousand, three hundred seventy-five".