85166799 has 8 divisors (see below), whose sum is σ = 116325552. Its totient is φ = 55392960.

The previous prime is 85166791. The next prime is 85166801. The reversal of 85166799 is 99766158.

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

It is not a de Polignac number, because 85166799 - 2³ = 85166791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85166791) 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, 346084 + ... + 346329.

It is an arithmetic number, because the mean of its divisors is an integer number (14540694).

Almost surely, 2^85166799 is an apocalyptic number.

85166799 is a deficient number, since it is larger than the sum of its proper divisors (31158753).

85166799 is a wasteful number, since it uses less digits than its factorization.

85166799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692457.

The product of its digits is 816480, while the sum is 51.

The square root of 85166799 is about 9228.5859696922. The cubic root of 85166799 is about 439.9703819595.

The spelling of 85166799 in words is "eighty-five million, one hundred sixty-six thousand, seven hundred ninety-nine".