1799378872 has 32 divisors (see below), whose sum is σ = 3727620000. Its totient is φ = 809949184.

The previous prime is 1799378851. The next prime is 1799378881. The reversal of 1799378872 is 2788739971.

It is a self number, because there is not a number n which added to its sum of digits gives 1799378872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284497 + ... + 290752.

It is an arithmetic number, because the mean of its divisors is an integer number (116488125).

Almost surely, 2^1799378872 is an apocalyptic number.

It is an amenable number.

1799378872 is an abundant number, since it is smaller than the sum of its proper divisors (1928241128).

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

1799378872 is a wasteful number, since it uses less digits than its factorization.

1799378872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575295 (or 575291 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 61.

The square root of 1799378872 is about 42419.0861759185. The cubic root of 1799378872 is about 1216.3004635375.

The spelling of 1799378872 in words is "one billion, seven hundred ninety-nine million, three hundred seventy-eight thousand, eight hundred seventy-two".