677449423 has 8 divisors (see below), whose sum is σ = 774730880. Its totient is φ = 580293720.

The previous prime is 677449393. The next prime is 677449441. The reversal of 677449423 is 324944776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677449423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677449463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19593 + ... + 41698.

It is an arithmetic number, because the mean of its divisors is an integer number (96841360).

Almost surely, 2^677449423 is an apocalyptic number.

677449423 is a deficient number, since it is larger than the sum of its proper divisors (97281457).

677449423 is a wasteful number, since it uses less digits than its factorization.

677449423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62877.

The product of its digits is 1016064, while the sum is 46.

The square root of 677449423 is about 26027.8585942063. The cubic root of 677449423 is about 878.2651007882.

The spelling of 677449423 in words is "six hundred seventy-seven million, four hundred forty-nine thousand, four hundred twenty-three".