677387 has 2 divisors, whose sum is σ = 677388. Its totient is φ = 677386.

The previous prime is 677371. The next prime is 677423. The reversal of 677387 is 783776.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 677387 - 2⁴ = 677371 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677387.

It is not a weakly prime, because it can be changed into another prime (677357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338693 + 338694.

It is an arithmetic number, because the mean of its divisors is an integer number (338694).

2⁶⁷⁷³⁸⁷ is an apocalyptic number.

677387 is a deficient number, since it is larger than the sum of its proper divisors (1).

677387 is an equidigital number, since it uses as much as digits as its factorization.

677387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49392, while the sum is 38.

The square root of 677387 is about 823.0352361837. The cubic root of 677387 is about 87.8238124296.

The spelling of 677387 in words is "six hundred seventy-seven thousand, three hundred eighty-seven".