1878812850 has 48 divisors (see below), whose sum is σ = 4820137920. Its totient is φ = 483739200.

The previous prime is 1878812849. The next prime is 1878812869. The reversal of 1878812850 is 582188781.

It is a self number, because there is not a number n which added to its sum of digits gives 1878812850.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211606 + ... + 220305.

It is an arithmetic number, because the mean of its divisors is an integer number (100419540).

Almost surely, 2^1878812850 is an apocalyptic number.

1878812850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1878812850 is an abundant number, since it is smaller than the sum of its proper divisors (2941325070).

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

1878812850 is a wasteful number, since it uses less digits than its factorization.

1878812850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431955 (or 431950 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 48.

The square root of 1878812850 is about 43345.2748289822. The cubic root of 1878812850 is about 1233.9413198291.

The spelling of 1878812850 in words is "one billion, eight hundred seventy-eight million, eight hundred twelve thousand, eight hundred fifty".