677045268 has 18 divisors (see below), whose sum is σ = 1711420074. Its totient is φ = 225681744.

The previous prime is 677045249. The next prime is 677045309. The reversal of 677045268 is 862540776.

It can be written as a sum of positive squares in only one way, i.e., 476199684 + 200845584 = 21822^2 + 14172^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9403371 + ... + 9403442.

It is an arithmetic number, because the mean of its divisors is an integer number (95078893).

Almost surely, 2^677045268 is an apocalyptic number.

It is an amenable number.

677045268 is an abundant number, since it is smaller than the sum of its proper divisors (1034374806).

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

677045268 is a wasteful number, since it uses less digits than its factorization.

677045268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18806823 (or 18806818 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 677045268 is about 26020.0935432600. The cubic root of 677045268 is about 878.0904132863.

The spelling of 677045268 in words is "six hundred seventy-seven million, forty-five thousand, two hundred sixty-eight".