873813673 has 2 divisors, whose sum is σ = 873813674. Its totient is φ = 873813672.

The previous prime is 873813653. The next prime is 873813679. The reversal of 873813673 is 376318378.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 851939344 + 21874329 = 29188^2 + 4677^2 .

It is a cyclic number.

It is not a de Polignac number, because 873813673 - 2⁵ = 873813641 is a prime.

It is not a weakly prime, because it can be changed into another prime (873813679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436906836 + 436906837.

It is an arithmetic number, because the mean of its divisors is an integer number (436906837).

Almost surely, 2^873813673 is an apocalyptic number.

It is an amenable number.

873813673 is a deficient number, since it is larger than the sum of its proper divisors (1).

873813673 is an equidigital number, since it uses as much as digits as its factorization.

873813673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 46.

The square root of 873813673 is about 29560.3395278200. The cubic root of 873813673 is about 956.0331364745.

The spelling of 873813673 in words is "eight hundred seventy-three million, eight hundred thirteen thousand, six hundred seventy-three".