85000670291 has 16 divisors (see below), whose sum is σ = 93394352640. Its totient is φ = 77001217920.

The previous prime is 85000670257. The next prime is 85000670297. The reversal of 85000670291 is 19207600058.

It is a de Polignac number, because none of the positive numbers 2^k-85000670291 is a prime.

It is a super-2 number, since 2×85000670291² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85000670297) 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, 1418426 + ... + 1477136.

It is an arithmetic number, because the mean of its divisors is an integer number (5837147040).

Almost surely, 2^85000670291 is an apocalyptic number.

85000670291 is a deficient number, since it is larger than the sum of its proper divisors (8393682349).

85000670291 is a wasteful number, since it uses less digits than its factorization.

85000670291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62066.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 85000670291 in words is "eighty-five billion, six hundred seventy thousand, two hundred ninety-one".