6812769800 has 24 divisors (see below), whose sum is σ = 15839690250. Its totient is φ = 2725107840.

The previous prime is 6812769793. The next prime is 6812769823. The reversal of 6812769800 is 89672186.

It can be written as a sum of positive squares in 3 ways, for example, as 4016263876 + 2796505924 = 63374^2 + 52882^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17031725 + ... + 17032124.

Almost surely, 2^6812769800 is an apocalyptic number.

It is an amenable number.

6812769800 is an abundant number, since it is smaller than the sum of its proper divisors (9026920450).

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

6812769800 is a wasteful number, since it uses less digits than its factorization.

6812769800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34063865 (or 34063856 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 6812769800 is about 82539.5044811877. The cubic root of 6812769800 is about 1895.7216569030.

The spelling of 6812769800 in words is "six billion, eight hundred twelve million, seven hundred sixty-nine thousand, eight hundred".