670877 has 2 divisors, whose sum is σ = 670878. Its totient is φ = 670876.

The previous prime is 670867. The next prime is 670897. The reversal of 670877 is 778076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 662596 + 8281 = 814^2 + 91^2 .

It is a cyclic number.

It is not a de Polignac number, because 670877 - 2¹⁰ = 669853 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670877.

It is not a weakly prime, because it can be changed into another prime (670867) by changing a digit.

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 as a sum of consecutive naturals, namely, 335438 + 335439.

It is an arithmetic number, because the mean of its divisors is an integer number (335439).

2⁶⁷⁰⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

670877 is a deficient number, since it is larger than the sum of its proper divisors (1).

670877 is an equidigital number, since it uses as much as digits as its factorization.

670877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16464, while the sum is 35.

The square root of 670877 is about 819.0708150093. The cubic root of 670877 is about 87.5415639268.

The spelling of 670877 in words is "six hundred seventy thousand, eight hundred seventy-seven".