676963656 has 40 divisors (see below), whose sum is σ = 1896126870. Its totient is φ = 225654336.

The previous prime is 676963649. The next prime is 676963657. The reversal of 676963656 is 656369676.

It can be written as a sum of positive squares in only one way, i.e., 676520100 + 443556 = 26010^2 + 666^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (676963657) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 521701 + ... + 522996.

Almost surely, 2^676963656 is an apocalyptic number.

It is an amenable number.

676963656 is an abundant number, since it is smaller than the sum of its proper divisors (1219163214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

676963656 is a wasteful number, since it uses less digits than its factorization.

676963656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044715 (or 1044702 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 54.

The square root of 676963656 is about 26018.5252464470. The cubic root of 676963656 is about 878.0551297793.

The spelling of 676963656 in words is "six hundred seventy-six million, nine hundred sixty-three thousand, six hundred fifty-six".