2808253623 has 16 divisors (see below), whose sum is σ = 4330803456. Its totient is φ = 1585381440.

The previous prime is 2808253603. The next prime is 2808253667. The reversal of 2808253623 is 3263528082.

It is a happy number.

It is not a de Polignac number, because 2808253623 - 2⁶ = 2808253559 is a prime.

It is a super-2 number, since 2×2808253623² = 15772576822185252258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2808253603) 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, 803838 + ... + 807323.

It is an arithmetic number, because the mean of its divisors is an integer number (270675216).

Almost surely, 2^2808253623 is an apocalyptic number.

2808253623 is a deficient number, since it is larger than the sum of its proper divisors (1522549833).

2808253623 is a wasteful number, since it uses less digits than its factorization.

2808253623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611254.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 2808253623 is about 52992.9582397511. The cubic root of 2808253623 is about 1410.8432866071.

The spelling of 2808253623 in words is "two billion, eight hundred eight million, two hundred fifty-three thousand, six hundred twenty-three".