5817378091 has 4 divisors (see below), whose sum is σ = 6648432112. Its totient is φ = 4986324072.

The previous prime is 5817378089. The next prime is 5817378131. The reversal of 5817378091 is 1908737185.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5817378091 - 2¹ = 5817378089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5817378071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415527000 + ... + 415527013.

It is an arithmetic number, because the mean of its divisors is an integer number (1662108028).

Almost surely, 2^5817378091 is an apocalyptic number.

5817378091 is a deficient number, since it is larger than the sum of its proper divisors (831054021).

5817378091 is an equidigital number, since it uses as much as digits as its factorization.

5817378091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831054020.

The product of its (nonzero) digits is 423360, while the sum is 49.

The square root of 5817378091 is about 76271.7384815634. The cubic root of 5817378091 is about 1798.4944294241.

The spelling of 5817378091 in words is "five billion, eight hundred seventeen million, three hundred seventy-eight thousand, ninety-one".