85999793 has 8 divisors (see below), whose sum is σ = 95219040. Its totient is φ = 77014080.

The previous prime is 85999777. The next prime is 85999799. The reversal of 85999793 is 39799958.

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

It is not a de Polignac number, because 85999793 - 2⁴ = 85999777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85999799) 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, 57608 + ... + 59081.

It is an arithmetic number, because the mean of its divisors is an integer number (11902380).

Almost surely, 2^85999793 is an apocalyptic number.

It is an amenable number.

85999793 is a deficient number, since it is larger than the sum of its proper divisors (9219247).

85999793 is a wasteful number, since it uses less digits than its factorization.

85999793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116767.

The product of its digits is 5511240, while the sum is 59.

The square root of 85999793 is about 9273.6073347970. The cubic root of 85999793 is about 441.4001420970.

The spelling of 85999793 in words is "eighty-five million, nine hundred ninety-nine thousand, seven hundred ninety-three".