2805665082 has 32 divisors (see below), whose sum is σ = 6286901184. Its totient is φ = 827222400.

The previous prime is 2805665069. The next prime is 2805665087.

2805665082 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (2805665087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572019 + ... + 576902.

It is an arithmetic number, because the mean of its divisors is an integer number (196465662).

Almost surely, 2^2805665082 is an apocalyptic number.

2805665082 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2805665082 is an abundant number, since it is smaller than the sum of its proper divisors (3481236102).

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

2805665082 is a wasteful number, since it uses less digits than its factorization.

2805665082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148974.

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 2805665082 is about 52968.5291659113. The cubic root of 2805665082 is about 1410.4096661847.

The spelling of 2805665082 in words is "two billion, eight hundred five million, six hundred sixty-five thousand, eighty-two".