18872795 has 16 divisors (see below), whose sum is σ = 23963040. Its totient is φ = 14229504.

The previous prime is 18872779. The next prime is 18872801. The reversal of 18872795 is 59727881.

It is a cyclic number.

It is not a de Polignac number, because 18872795 - 2⁴ = 18872779 is a prime.

It is a super-2 number, since 2×18872795² = 712364782224050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24029 + ... + 24801.

It is an arithmetic number, because the mean of its divisors is an integer number (1497690).

Almost surely, 2^18872795 is an apocalyptic number.

18872795 is a deficient number, since it is larger than the sum of its proper divisors (5090245).

18872795 is a wasteful number, since it uses less digits than its factorization.

18872795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054.

The product of its digits is 282240, while the sum is 47.

The square root of 18872795 is about 4344.2830248500. The cubic root of 18872795 is about 266.2433326521.

The spelling of 18872795 in words is "eighteen million, eight hundred seventy-two thousand, seven hundred ninety-five".