8725587213 has 32 divisors (see below), whose sum is σ = 13558358016. Its totient is φ = 4887874368.

The previous prime is 8725587203. The next prime is 8725587223. The reversal of 8725587213 is 3127855278.

It is an interprime number because it is at equal distance from previous prime (8725587203) and next prime (8725587223).

It is not a de Polignac number, because 8725587213 - 2³⁰ = 7651845389 is a prime.

It is a super-2 number, since 2×8725587213² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8725587203) 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 31 ways as a sum of consecutive naturals, for example, 1741570 + ... + 1746572.

It is an arithmetic number, because the mean of its divisors is an integer number (423698688).

Almost surely, 2^8725587213 is an apocalyptic number.

It is an amenable number.

8725587213 is a deficient number, since it is larger than the sum of its proper divisors (4832770803).

8725587213 is a wasteful number, since it uses less digits than its factorization.

8725587213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6633.

The product of its digits is 940800, while the sum is 48.

The square root of 8725587213 is about 93410.8516875850. The cubic root of 8725587213 is about 2058.7244446507.

The spelling of 8725587213 in words is "eight billion, seven hundred twenty-five million, five hundred eighty-seven thousand, two hundred thirteen".