673029977 has 2 divisors, whose sum is σ = 673029978. Its totient is φ = 673029976.

The previous prime is 673029943. The next prime is 673030009. The reversal of 673029977 is 779920376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 417957136 + 255072841 = 20444^2 + 15971^2 .

It is a cyclic number.

It is not a de Polignac number, because 673029977 - 2¹⁶ = 672964441 is a prime.

It is not a weakly prime, because it can be changed into another prime (673023977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336514988 + 336514989.

It is an arithmetic number, because the mean of its divisors is an integer number (336514989).

Almost surely, 2^673029977 is an apocalyptic number.

It is an amenable number.

673029977 is a deficient number, since it is larger than the sum of its proper divisors (1).

673029977 is an equidigital number, since it uses as much as digits as its factorization.

673029977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1000188, while the sum is 50.

The square root of 673029977 is about 25942.8212999280. The cubic root of 673029977 is about 876.3510999389.

It can be divided in two parts, 6730299 and 77, that added together give a palindrome (6730376).

The spelling of 673029977 in words is "six hundred seventy-three million, twenty-nine thousand, nine hundred seventy-seven".