677491763 has 24 divisors (see below), whose sum is σ = 766316160. Its totient is φ = 597991680.

The previous prime is 677491753. The next prime is 677491777. The reversal of 677491763 is 367194776.

It is a happy number.

It is not a de Polignac number, because 677491763 - 2¹⁶ = 677426227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677491753) 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 23 ways as a sum of consecutive naturals, for example, 465545 + ... + 466997.

It is an arithmetic number, because the mean of its divisors is an integer number (31929840).

Almost surely, 2^677491763 is an apocalyptic number.

677491763 is a deficient number, since it is larger than the sum of its proper divisors (88824397).

677491763 is a wasteful number, since it uses less digits than its factorization.

677491763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599 (or 1586 counting only the distinct ones).

The product of its digits is 1333584, while the sum is 50.

The square root of 677491763 is about 26028.6719407656. The cubic root of 677491763 is about 878.2833973421.

The spelling of 677491763 in words is "six hundred seventy-seven million, four hundred ninety-one thousand, seven hundred sixty-three".