677393213 has 4 divisors (see below), whose sum is σ = 774163680. Its totient is φ = 580622748.

The previous prime is 677393209. The next prime is 677393231. The reversal of 677393213 is 312393776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 677393213 - 2² = 677393209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677393273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48385223 + ... + 48385236.

It is an arithmetic number, because the mean of its divisors is an integer number (193540920).

Almost surely, 2^677393213 is an apocalyptic number.

It is an amenable number.

677393213 is a deficient number, since it is larger than the sum of its proper divisors (96770467).

677393213 is an equidigital number, since it uses as much as digits as its factorization.

677393213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96770466.

The product of its digits is 142884, while the sum is 41.

The square root of 677393213 is about 26026.7787672620. The cubic root of 677393213 is about 878.2408093577.

The spelling of 677393213 in words is "six hundred seventy-seven million, three hundred ninety-three thousand, two hundred thirteen".