677683525 has 6 divisors (see below), whose sum is σ = 840327602. Its totient is φ = 542146800.

The previous prime is 677683481. The next prime is 677683543. The reversal of 677683525 is 525386776.

It can be written as a sum of positive squares in 3 ways, for example, as 799236 + 676884289 = 894^2 + 26017^2 .

It is not a de Polignac number, because 677683525 - 2¹⁷ = 677552453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13553646 + ... + 13553695.

Almost surely, 2^677683525 is an apocalyptic number.

It is an amenable number.

677683525 is a deficient number, since it is larger than the sum of its proper divisors (162644077).

677683525 is a wasteful number, since it uses less digits than its factorization.

677683525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27107351 (or 27107346 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 49.

The square root of 677683525 is about 26032.3553486810. The cubic root of 677683525 is about 878.3662546806.

The spelling of 677683525 in words is "six hundred seventy-seven million, six hundred eighty-three thousand, five hundred twenty-five".