673194877 has 2 divisors, whose sum is σ = 673194878. Its totient is φ = 673194876.

The previous prime is 673194857. The next prime is 673194953. The reversal of 673194877 is 778491376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 672572356 + 622521 = 25934^2 + 789^2 .

It is a cyclic number.

It is not a de Polignac number, because 673194877 - 2¹⁵ = 673162109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673194857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336597438 + 336597439.

It is an arithmetic number, because the mean of its divisors is an integer number (336597439).

Almost surely, 2^673194877 is an apocalyptic number.

It is an amenable number.

673194877 is a deficient number, since it is larger than the sum of its proper divisors (1).

673194877 is an equidigital number, since it uses as much as digits as its factorization.

673194877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1778112, while the sum is 52.

The square root of 673194877 is about 25945.9992484391. Note that the first 3 decimals coincide. The cubic root of 673194877 is about 876.4226660903.

The spelling of 673194877 in words is "six hundred seventy-three million, one hundred ninety-four thousand, eight hundred seventy-seven".