85160879999 has 8 divisors (see below), whose sum is σ = 93663030720. Its totient is φ = 76937488416.

The previous prime is 85160879989. The next prime is 85160880023. The reversal of 85160879999 is 99997806158.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85160879999 - 2³⁶ = 16441403263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85160879989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69689144 + ... + 69690365.

It is an arithmetic number, because the mean of its divisors is an integer number (11707878840).

Almost surely, 2^85160879999 is an apocalyptic number.

85160879999 is a deficient number, since it is larger than the sum of its proper divisors (8502150721).

85160879999 is a wasteful number, since it uses less digits than its factorization.

85160879999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139379569.

The product of its (nonzero) digits is 88179840, while the sum is 71.

The spelling of 85160879999 in words is "eighty-five billion, one hundred sixty million, eight hundred seventy-nine thousand, nine hundred ninety-nine".