872491413 has 8 divisors (see below), whose sum is σ = 1194763168. Its totient is φ = 565940304.

The previous prime is 872491393. The next prime is 872491423. The reversal of 872491413 is 314194278.

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

It is not a de Polignac number, because 872491413 - 2⁶ = 872491349 is a prime.

It is a super-2 number, since 2×872491413² = 1522482531517473138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872491423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3930031 + ... + 3930252.

It is an arithmetic number, because the mean of its divisors is an integer number (149345396).

Almost surely, 2^872491413 is an apocalyptic number.

It is an amenable number.

872491413 is a deficient number, since it is larger than the sum of its proper divisors (322271755).

872491413 is a wasteful number, since it uses less digits than its factorization.

872491413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7860323.

The product of its digits is 48384, while the sum is 39.

The square root of 872491413 is about 29537.9656205366. The cubic root of 872491413 is about 955.5506680423.

The spelling of 872491413 in words is "eight hundred seventy-two million, four hundred ninety-one thousand, four hundred thirteen".