18010458877 has 2 divisors, whose sum is σ = 18010458878. Its totient is φ = 18010458876.

The previous prime is 18010458863. The next prime is 18010458881. The reversal of 18010458877 is 77885401081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10304077081 + 7706381796 = 101509^2 + 87786^2 .

It is a cyclic number.

It is not a de Polignac number, because 18010458877 - 2²³ = 18002070269 is a prime.

It is a super-2 number, since 2×18010458877² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18010458877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18010458827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9005229438 + 9005229439.

It is an arithmetic number, because the mean of its divisors is an integer number (9005229439).

Almost surely, 2^18010458877 is an apocalyptic number.

It is an amenable number.

18010458877 is a deficient number, since it is larger than the sum of its proper divisors (1).

18010458877 is an equidigital number, since it uses as much as digits as its factorization.

18010458877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 501760, while the sum is 49.

The spelling of 18010458877 in words is "eighteen billion, ten million, four hundred fifty-eight thousand, eight hundred seventy-seven".