677428641 has 24 divisors (see below), whose sum is σ = 1037905440. Its totient is φ = 424569600.

The previous prime is 677428571. The next prime is 677428643. The reversal of 677428641 is 146824776.

It is not a de Polignac number, because 677428641 - 2¹¹ = 677426593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (677428643) 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, 7281 + ... + 37521.

It is an arithmetic number, because the mean of its divisors is an integer number (43246060).

Almost surely, 2^677428641 is an apocalyptic number.

It is an amenable number.

677428641 is a deficient number, since it is larger than the sum of its proper divisors (360476799).

677428641 is a wasteful number, since it uses less digits than its factorization.

677428641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30397 (or 30394 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 677428641 is about 26027.4593650629. The cubic root of 677428641 is about 878.2561199003.

The spelling of 677428641 in words is "six hundred seventy-seven million, four hundred twenty-eight thousand, six hundred forty-one".