18314377 has 2 divisors, whose sum is σ = 18314378. Its totient is φ = 18314376.

The previous prime is 18314363. The next prime is 18314393. The reversal of 18314377 is 77341381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16516096 + 1798281 = 4064^2 + 1341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18314377 is a prime.

It is not a weakly prime, because it can be changed into another prime (18314357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9157188 + 9157189.

It is an arithmetic number, because the mean of its divisors is an integer number (9157189).

Almost surely, 2^18314377 is an apocalyptic number.

It is an amenable number.

18314377 is a deficient number, since it is larger than the sum of its proper divisors (1).

18314377 is an equidigital number, since it uses as much as digits as its factorization.

18314377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 34.

The square root of 18314377 is about 4279.5299975581. The cubic root of 18314377 is about 263.5910843111.

The spelling of 18314377 in words is "eighteen million, three hundred fourteen thousand, three hundred seventy-seven".