1878363152 has 20 divisors (see below), whose sum is σ = 3723965520. Its totient is φ = 917339808.

The previous prime is 1878363143. The next prime is 1878363163. The reversal of 1878363152 is 2513638781.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 1364402 + ... + 1365777.

It is an arithmetic number, because the mean of its divisors is an integer number (186198276).

Almost surely, 2^1878363152 is an apocalyptic number.

It is an amenable number.

1878363152 is a deficient number, since it is larger than the sum of its proper divisors (1845602368).

1878363152 is a wasteful number, since it uses less digits than its factorization.

1878363152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730230 (or 2730224 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 1878363152 is about 43340.0871249701. The cubic root of 1878363152 is about 1233.8428631144.

The spelling of 1878363152 in words is "one billion, eight hundred seventy-eight million, three hundred sixty-three thousand, one hundred fifty-two".