873673439 has 2 divisors, whose sum is σ = 873673440. Its totient is φ = 873673438.

The previous prime is 873673433. The next prime is 873673483. The reversal of 873673439 is 934376378.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 873673439 - 2²⁴ = 856896223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (873673433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436836719 + 436836720.

It is an arithmetic number, because the mean of its divisors is an integer number (436836720).

Almost surely, 2^873673439 is an apocalyptic number.

873673439 is a deficient number, since it is larger than the sum of its proper divisors (1).

873673439 is an equidigital number, since it uses as much as digits as its factorization.

873673439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 50.

The square root of 873673439 is about 29557.9674368858. The cubic root of 873673439 is about 955.9819907411.

The spelling of 873673439 in words is "eight hundred seventy-three million, six hundred seventy-three thousand, four hundred thirty-nine".