1879198338772 has 12 divisors (see below), whose sum is σ = 3288707211636. Its totient is φ = 939567706880.

The previous prime is 1879198338763. The next prime is 1879198338811. The reversal of 1879198338772 is 2778338919781.

It can be written as a sum of positive squares in 2 ways, for example, as 1022618472516 + 856579866256 = 1011246^2 + 925516^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1879198338695 and 1879198338704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7730983 + ... + 7970350.

It is an arithmetic number, because the mean of its divisors is an integer number (274058934303).

Almost surely, 2^{1879198338772} is an apocalyptic number.

It is an amenable number.

1879198338772 is a deficient number, since it is larger than the sum of its proper divisors (1409508872864).

1879198338772 is a wasteful number, since it uses less digits than its factorization.

1879198338772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15731258 (or 15731256 counting only the distinct ones).

The product of its digits is 256048128, while the sum is 73.

The spelling of 1879198338772 in words is "one trillion, eight hundred seventy-nine billion, one hundred ninety-eight million, three hundred thirty-eight thousand, seven hundred seventy-two".