874931389 has 2 divisors, whose sum is σ = 874931390. Its totient is φ = 874931388.

The previous prime is 874931381. The next prime is 874931417. The reversal of 874931389 is 983139478.

874931389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 859486489 + 15444900 = 29317^2 + 3930^2 .

It is a cyclic number.

It is not a de Polignac number, because 874931389 - 2³ = 874931381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (874931381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437465694 + 437465695.

It is an arithmetic number, because the mean of its divisors is an integer number (437465695).

Almost surely, 2^874931389 is an apocalyptic number.

It is an amenable number.

874931389 is a deficient number, since it is larger than the sum of its proper divisors (1).

874931389 is an equidigital number, since it uses as much as digits as its factorization.

874931389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 52.

The square root of 874931389 is about 29579.2391551913. The cubic root of 874931389 is about 956.4405910906.

The spelling of 874931389 in words is "eight hundred seventy-four million, nine hundred thirty-one thousand, three hundred eighty-nine".