845080879 has 4 divisors (see below), whose sum is σ = 889558840. Its totient is φ = 800602920.

The previous prime is 845080877. The next prime is 845080903. The reversal of 845080879 is 978080548.

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 845080879 - 2¹ = 845080877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845080877) 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, 22238952 + ... + 22238989.

It is an arithmetic number, because the mean of its divisors is an integer number (222389710).

Almost surely, 2^845080879 is an apocalyptic number.

845080879 is a deficient number, since it is larger than the sum of its proper divisors (44477961).

845080879 is a wasteful number, since it uses less digits than its factorization.

845080879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44477960.

The product of its (nonzero) digits is 645120, while the sum is 49.

The square root of 845080879 is about 29070.2748353021. The cubic root of 845080879 is about 945.4373567873.

The spelling of 845080879 in words is "eight hundred forty-five million, eighty thousand, eight hundred seventy-nine".