873825491 has 8 divisors (see below), whose sum is σ = 1089444864. Its totient is φ = 680902920.

The previous prime is 873825479. The next prime is 873825503. The reversal of 873825491 is 194528378.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (873825479) and next prime (873825503).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 873825491 - 2¹⁸ = 873563347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (873825401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5674115 + ... + 5674268.

It is an arithmetic number, because the mean of its divisors is an integer number (136180608).

Almost surely, 2^873825491 is an apocalyptic number.

873825491 is a deficient number, since it is larger than the sum of its proper divisors (215619373).

873825491 is a wasteful number, since it uses less digits than its factorization.

873825491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11348401.

The product of its digits is 483840, while the sum is 47.

The square root of 873825491 is about 29560.5394233596. The cubic root of 873825491 is about 956.0374464508.

The spelling of 873825491 in words is "eight hundred seventy-three million, eight hundred twenty-five thousand, four hundred ninety-one".