18077100 has 36 divisors (see below), whose sum is σ = 52303944. Its totient is φ = 4820480.

The previous prime is 18077099. The next prime is 18077131. The reversal of 18077100 is 177081.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29829 + ... + 30428.

Almost surely, 2^18077100 is an apocalyptic number.

18077100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18077100 is an abundant number, since it is smaller than the sum of its proper divisors (34226844).

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

18077100 is a wasteful number, since it uses less digits than its factorization.

18077100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60274 (or 60267 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 24.

The square root of 18077100 is about 4251.7173001036. The cubic root of 18077100 is about 262.4477900699.

The spelling of 18077100 in words is "eighteen million, seventy-seven thousand, one hundred".