85324402817 has 8 divisors (see below), whose sum is σ = 92242598400. Its totient is φ = 78648951024.

The previous prime is 85324402811. The next prime is 85324402819. The reversal of 85324402817 is 71820442358.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85324402817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85324402811) 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, 60685217 + ... + 60686622.

It is an arithmetic number, because the mean of its divisors is an integer number (11530324800).

Almost surely, 2^85324402817 is an apocalyptic number.

It is an amenable number.

85324402817 is a deficient number, since it is larger than the sum of its proper divisors (6918195583).

85324402817 is a wasteful number, since it uses less digits than its factorization.

85324402817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121371895.

The product of its (nonzero) digits is 430080, while the sum is 44.

The spelling of 85324402817 in words is "eighty-five billion, three hundred twenty-four million, four hundred two thousand, eight hundred seventeen".