677493463 has 2 divisors, whose sum is σ = 677493464. Its totient is φ = 677493462.

The previous prime is 677493419. The next prime is 677493491. The reversal of 677493463 is 364394776.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 677493463 - 2²⁵ = 643939031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677493413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338746731 + 338746732.

It is an arithmetic number, because the mean of its divisors is an integer number (338746732).

Almost surely, 2^677493463 is an apocalyptic number.

677493463 is a deficient number, since it is larger than the sum of its proper divisors (1).

677493463 is an equidigital number, since it uses as much as digits as its factorization.

677493463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 49.

The square root of 677493463 is about 26028.7045970406. The cubic root of 677493463 is about 878.2841319540.

The spelling of 677493463 in words is "six hundred seventy-seven million, four hundred ninety-three thousand, four hundred sixty-three".