85834791 has 12 divisors (see below), whose sum is σ = 141695632. Its totient is φ = 49048416.

The previous prime is 85834789. The next prime is 85834807. The reversal of 85834791 is 19743858.

It is not a de Polignac number, because 85834791 - 2¹ = 85834789 is a prime.

It is a super-2 number, since 2×85834791² = 14735222692027362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85834711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 681166 + ... + 681291.

Almost surely, 2^85834791 is an apocalyptic number.

85834791 is a deficient number, since it is larger than the sum of its proper divisors (55860841).

85834791 is a wasteful number, since it uses less digits than its factorization.

85834791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362470 (or 1362467 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 85834791 is about 9264.7067411764. The cubic root of 85834791 is about 441.1176664745.

The spelling of 85834791 in words is "eighty-five million, eight hundred thirty-four thousand, seven hundred ninety-one".