8113125587 has 16 divisors (see below), whose sum is σ = 9304701120. Its totient is φ = 6929737728.

The previous prime is 8113125539. The next prime is 8113125589. The reversal of 8113125587 is 7855213118.

It is a cyclic number.

It is not a de Polignac number, because 8113125587 - 2¹⁴ = 8113109203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8113125589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3052163 + ... + 3054819.

It is an arithmetic number, because the mean of its divisors is an integer number (581543820).

Almost surely, 2^8113125587 is an apocalyptic number.

8113125587 is a deficient number, since it is larger than the sum of its proper divisors (1191575533).

8113125587 is a wasteful number, since it uses less digits than its factorization.

8113125587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030.

The product of its digits is 67200, while the sum is 41.

The square root of 8113125587 is about 90072.8904110443. The cubic root of 8113125587 is about 2009.3830426638.

The spelling of 8113125587 in words is "eight billion, one hundred thirteen million, one hundred twenty-five thousand, five hundred eighty-seven".