677377319 has 2 divisors, whose sum is σ = 677377320. Its totient is φ = 677377318.

The previous prime is 677377313. The next prime is 677377321. The reversal of 677377319 is 913773776.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 677377319 - 2¹² = 677373223 is a prime.

It is a super-2 number, since 2×677377319² = 917680064591255522, which contains 22 as substring.

Together with 677377321, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677377313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338688659 + 338688660.

It is an arithmetic number, because the mean of its divisors is an integer number (338688660).

Almost surely, 2^677377319 is an apocalyptic number.

677377319 is a deficient number, since it is larger than the sum of its proper divisors (1).

677377319 is an equidigital number, since it uses as much as digits as its factorization.

677377319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166886, while the sum is 50.

The square root of 677377319 is about 26026.4734261098. The cubic root of 677377319 is about 878.2339404430.

The spelling of 677377319 in words is "six hundred seventy-seven million, three hundred seventy-seven thousand, three hundred nineteen".