1878672232 has 16 divisors (see below), whose sum is σ = 3548224260. Its totient is φ = 932479104.

The previous prime is 1878672181. The next prime is 1878672233. The reversal of 1878672232 is 2322768781.

It can be written as a sum of positive squares in 2 ways, for example, as 1793183716 + 85488516 = 42346^2 + 9246^2 .

It is not an unprimeable number, because it can be changed into a prime (1878672233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855963 + ... + 858154.

Almost surely, 2^1878672232 is an apocalyptic number.

It is an amenable number.

1878672232 is a deficient number, since it is larger than the sum of its proper divisors (1669552028).

1878672232 is a wasteful number, since it uses less digits than its factorization.

1878672232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714260 (or 1714256 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The square root of 1878672232 is about 43343.6527302441. The cubic root of 1878672232 is about 1233.9105346643.

The spelling of 1878672232 in words is "one billion, eight hundred seventy-eight million, six hundred seventy-two thousand, two hundred thirty-two".