85399239994 has 16 divisors (see below), whose sum is σ = 129288867840. Its totient is φ = 42303040560.

The previous prime is 85399239977. The next prime is 85399240033. The reversal of 85399239994 is 49993299358.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2578399 + ... + 2611309.

It is an arithmetic number, because the mean of its divisors is an integer number (8080554240).

Almost surely, 2^85399239994 is an apocalyptic number.

85399239994 is a deficient number, since it is larger than the sum of its proper divisors (43889627846).

85399239994 is a wasteful number, since it uses less digits than its factorization.

85399239994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44925.

The product of its digits is 170061120, while the sum is 70.

The spelling of 85399239994 in words is "eighty-five billion, three hundred ninety-nine million, two hundred thirty-nine thousand, nine hundred ninety-four".