85088387917 has 16 divisors (see below), whose sum is σ = 96789349888. Its totient is φ = 74241800640.

The previous prime is 85088387911. The next prime is 85088387927. The reversal of 85088387917 is 71978388058.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85088387917 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 (85088387911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2437758 + ... + 2472415.

It is an arithmetic number, because the mean of its divisors is an integer number (6049334368).

Almost surely, 2^85088387917 is an apocalyptic number.

It is an amenable number.

85088387917 is a deficient number, since it is larger than the sum of its proper divisors (11700961971).

85088387917 is a wasteful number, since it uses less digits than its factorization.

85088387917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4910260.

The product of its (nonzero) digits is 27095040, while the sum is 64.

The spelling of 85088387917 in words is "eighty-five billion, eighty-eight million, three hundred eighty-seven thousand, nine hundred seventeen".