677975 has 12 divisors (see below), whose sum is σ = 860064. Its totient is φ = 529920.

The previous prime is 677959. The next prime is 677983. The reversal of 677975 is 579776.

677975 = T₇₀ + T₇₁ + ... + T₁₆₃.

677975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 677975 - 2⁴ = 677959 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 11 ways as a sum of consecutive naturals, for example, 887 + ... + 1463.

It is an arithmetic number, because the mean of its divisors is an integer number (71672).

2⁶⁷⁷⁹⁷⁵ is an apocalyptic number.

677975 is a deficient number, since it is larger than the sum of its proper divisors (182089).

677975 is a wasteful number, since it uses less digits than its factorization.

677975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 629 counting only the distinct ones).

The product of its digits is 92610, while the sum is 41.

The square root of 677975 is about 823.3923730519. The cubic root of 677975 is about 87.8492166505.

The spelling of 677975 in words is "six hundred seventy-seven thousand, nine hundred seventy-five".