677503117 has 2 divisors, whose sum is σ = 677503118. Its totient is φ = 677503116.

The previous prime is 677503067. The next prime is 677503163. The reversal of 677503117 is 711305776.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 659770596 + 17732521 = 25686^2 + 4211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677503117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677504117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338751558 + 338751559.

It is an arithmetic number, because the mean of its divisors is an integer number (338751559).

Almost surely, 2^677503117 is an apocalyptic number.

It is an amenable number.

677503117 is a deficient number, since it is larger than the sum of its proper divisors (1).

677503117 is an equidigital number, since it uses as much as digits as its factorization.

677503117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30870, while the sum is 37.

The square root of 677503117 is about 26028.8900454860. The cubic root of 677503117 is about 878.2883036620.

The spelling of 677503117 in words is "six hundred seventy-seven million, five hundred three thousand, one hundred seventeen".