805096879 has 4 divisors (see below), whose sum is σ = 805292280. Its totient is φ = 804901480.

The previous prime is 805096843. The next prime is 805096883. The reversal of 805096879 is 978690508.

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 805096879 - 2¹⁵ = 805064111 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 (805096819) 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, 91384 + ... + 99805.

It is an arithmetic number, because the mean of its divisors is an integer number (201323070).

Almost surely, 2^805096879 is an apocalyptic number.

805096879 is a deficient number, since it is larger than the sum of its proper divisors (195401).

805096879 is a wasteful number, since it uses less digits than its factorization.

805096879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195400.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The square root of 805096879 is about 28374.2291349034. The cubic root of 805096879 is about 930.2850627276.

The spelling of 805096879 in words is "eight hundred five million, ninety-six thousand, eight hundred seventy-nine".