18830703677 has 2 divisors, whose sum is σ = 18830703678. Its totient is φ = 18830703676.

The previous prime is 18830703629. The next prime is 18830703707. The reversal of 18830703677 is 77630703881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17941530916 + 889172761 = 133946^2 + 29819^2 .

It is a cyclic number.

It is not a de Polignac number, because 18830703677 - 2⁸ = 18830703421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18830702677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9415351838 + 9415351839.

It is an arithmetic number, because the mean of its divisors is an integer number (9415351839).

Almost surely, 2^18830703677 is an apocalyptic number.

It is an amenable number.

18830703677 is a deficient number, since it is larger than the sum of its proper divisors (1).

18830703677 is an equidigital number, since it uses as much as digits as its factorization.

18830703677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1185408, while the sum is 50.

The spelling of 18830703677 in words is "eighteen billion, eight hundred thirty million, seven hundred three thousand, six hundred seventy-seven".