677979306 has 12 divisors (see below), whose sum is σ = 1468955202. Its totient is φ = 225993096.

The previous prime is 677979301. The next prime is 677979319. The reversal of 677979306 is 603979776.

It can be written as a sum of positive squares in only one way, i.e., 379899081 + 298080225 = 19491^2 + 17265^2 .

It is not an unprimeable number, because it can be changed into a prime (677979301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18832741 + ... + 18832776.

Almost surely, 2^677979306 is an apocalyptic number.

677979306 is an abundant number, since it is smaller than the sum of its proper divisors (790975896).

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

677979306 is a wasteful number, since it uses less digits than its factorization.

677979306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37665525 (or 37665522 counting only the distinct ones).

The product of its (nonzero) digits is 3000564, while the sum is 54.

The square root of 677979306 is about 26038.0357554098. The cubic root of 677979306 is about 878.4940263473.

The spelling of 677979306 in words is "six hundred seventy-seven million, nine hundred seventy-nine thousand, three hundred six".