859796091 has 54 divisors (see below), whose sum is σ = 1579779396. Its totient is φ = 445586400.

The previous prime is 859796083. The next prime is 859796101. The reversal of 859796091 is 190697958.

It is not a de Polignac number, because 859796091 - 2³ = 859796083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (859796071) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 2042061 + ... + 2042481.

It is an arithmetic number, because the mean of its divisors is an integer number (29255174).

Almost surely, 2^859796091 is an apocalyptic number.

859796091 is a deficient number, since it is larger than the sum of its proper divisors (719983305).

859796091 is a wasteful number, since it uses less digits than its factorization.

859796091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 54.

The square root of 859796091 is about 29322.2797715321. The cubic root of 859796091 is about 950.8933760454.

The spelling of 859796091 in words is "eight hundred fifty-nine million, seven hundred ninety-six thousand, ninety-one".