873583091 has 2 divisors, whose sum is σ = 873583092. Its totient is φ = 873583090.

The previous prime is 873583021. The next prime is 873583093. The reversal of 873583091 is 190385378.

It is a happy number.

873583091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-873583091 is a prime.

It is a super-2 number, since 2×873583091² = 1526294833762228562, which contains 22 as substring.

Together with 873583093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (873583093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436791545 + 436791546.

It is an arithmetic number, because the mean of its divisors is an integer number (436791546).

Almost surely, 2^873583091 is an apocalyptic number.

873583091 is a deficient number, since it is larger than the sum of its proper divisors (1).

873583091 is an equidigital number, since it uses as much as digits as its factorization.

873583091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 873583091 is about 29556.4390784817. The cubic root of 873583091 is about 955.9490363844.

The spelling of 873583091 in words is "eight hundred seventy-three million, five hundred eighty-three thousand, ninety-one".