18875800 has 24 divisors (see below), whose sum is σ = 43886700. Its totient is φ = 7550240.

The previous prime is 18875771. The next prime is 18875803. The reversal of 18875800 is 857881.

It is a self number, because there is not a number n which added to its sum of digits gives 18875800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18875803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46990 + ... + 47389.

Almost surely, 2^18875800 is an apocalyptic number.

18875800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18875800 is an abundant number, since it is smaller than the sum of its proper divisors (25010900).

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

18875800 is a wasteful number, since it uses less digits than its factorization.

18875800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94395 (or 94386 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 37.

The square root of 18875800 is about 4344.6288679242. The cubic root of 18875800 is about 266.2574626693.

The spelling of 18875800 in words is "eighteen million, eight hundred seventy-five thousand, eight hundred".