850116817 has 8 divisors (see below), whose sum is σ = 959379840. Its totient is φ = 746183760.

The previous prime is 850116811. The next prime is 850116851. The reversal of 850116817 is 718611058.

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-850116817 is a prime.

It is a super-2 number, since 2×850116817² = 1445397205092422978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (850116811) 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, 1332153 + ... + 1332790.

It is an arithmetic number, because the mean of its divisors is an integer number (119922480).

Almost surely, 2^850116817 is an apocalyptic number.

It is an amenable number.

850116817 is a deficient number, since it is larger than the sum of its proper divisors (109263023).

850116817 is a wasteful number, since it uses less digits than its factorization.

850116817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664983.

The product of its (nonzero) digits is 13440, while the sum is 37.

The square root of 850116817 is about 29156.7628004208. The cubic root of 850116817 is about 947.3116301133.

The spelling of 850116817 in words is "eight hundred fifty million, one hundred sixteen thousand, eight hundred seventeen".