677914487 has 2 divisors, whose sum is σ = 677914488. Its totient is φ = 677914486.

The previous prime is 677914463. The next prime is 677914507. The reversal of 677914487 is 784419776.

677914487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 677914487 - 2¹⁰ = 677913463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677914087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338957243 + 338957244.

It is an arithmetic number, because the mean of its divisors is an integer number (338957244).

Almost surely, 2^677914487 is an apocalyptic number.

677914487 is a deficient number, since it is larger than the sum of its proper divisors (1).

677914487 is an equidigital number, since it uses as much as digits as its factorization.

677914487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2370816, while the sum is 53.

The square root of 677914487 is about 26036.7910273136. The cubic root of 677914487 is about 878.4660289740.

The spelling of 677914487 in words is "six hundred seventy-seven million, nine hundred fourteen thousand, four hundred eighty-seven".