18795871 has 2 divisors, whose sum is σ = 18795872. Its totient is φ = 18795870.

The previous prime is 18795841. The next prime is 18795893. The reversal of 18795871 is 17859781.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18795871 - 2⁷ = 18795743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18795811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9397935 + 9397936.

It is an arithmetic number, because the mean of its divisors is an integer number (9397936).

Almost surely, 2^18795871 is an apocalyptic number.

18795871 is a deficient number, since it is larger than the sum of its proper divisors (1).

18795871 is an equidigital number, since it uses as much as digits as its factorization.

18795871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 46.

The square root of 18795871 is about 4335.4205101697. The cubic root of 18795871 is about 265.8811112477.

It can be divided in two parts, 1879 and 5871, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 18795871 in words is "eighteen million, seven hundred ninety-five thousand, eight hundred seventy-one".