677642125 has 24 divisors (see below), whose sum is σ = 892609848. Its totient is φ = 513547200.

The previous prime is 677642059. The next prime is 677642143. The reversal of 677642125 is 521246776.

It can be written as a sum of positive squares in 4 ways, for example, as 57183844 + 620458281 = 7562^2 + 24909^2 .

It is not a de Polignac number, because 677642125 - 2¹⁵ = 677609357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37617 + ... + 52633.

It is an arithmetic number, because the mean of its divisors is an integer number (37192077).

Almost surely, 2^677642125 is an apocalyptic number.

It is an amenable number.

677642125 is a deficient number, since it is larger than the sum of its proper divisors (214967723).

677642125 is a wasteful number, since it uses less digits than its factorization.

677642125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15070 (or 15041 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 677642125 is about 26031.5601722217. The cubic root of 677642125 is about 878.3483677161.

The spelling of 677642125 in words is "six hundred seventy-seven million, six hundred forty-two thousand, one hundred twenty-five".