1878279212 has 12 divisors (see below), whose sum is σ = 3393020736. Its totient is φ = 908844720.

The previous prime is 1878279203. The next prime is 1878279223. The reversal of 1878279212 is 2129728781.

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, 7573583 + ... + 7573830.

It is an arithmetic number, because the mean of its divisors is an integer number (282751728).

Almost surely, 2^1878279212 is an apocalyptic number.

It is an amenable number.

1878279212 is a deficient number, since it is larger than the sum of its proper divisors (1514741524).

1878279212 is a wasteful number, since it uses less digits than its factorization.

1878279212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15147448 (or 15147446 counting only the distinct ones).

The product of its digits is 225792, while the sum is 47.

The square root of 1878279212 is about 43339.1187266193. The cubic root of 1878279212 is about 1233.8244835814.

The spelling of 1878279212 in words is "one billion, eight hundred seventy-eight million, two hundred seventy-nine thousand, two hundred twelve".