2805576798 has 16 divisors (see below), whose sum is σ = 5627235600. Its totient is φ = 932511936.

The previous prime is 2805576773. The next prime is 2805576799. The reversal of 2805576798 is 8976755082.

It is a happy number.

It is a super-2 number, since 2×2805576798² = 15742522338951865608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2805576799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667815 + ... + 672002.

It is an arithmetic number, because the mean of its divisors is an integer number (351702225).

Almost surely, 2^2805576798 is an apocalyptic number.

2805576798 is an abundant number, since it is smaller than the sum of its proper divisors (2821658802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2805576798 is a wasteful number, since it uses less digits than its factorization.

2805576798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340171.

The product of its (nonzero) digits is 8467200, while the sum is 57.

The square root of 2805576798 is about 52967.6957965891. The cubic root of 2805576798 is about 1410.3948725548.

The spelling of 2805576798 in words is "two billion, eight hundred five million, five hundred seventy-six thousand, seven hundred ninety-eight".