8871015397 has 16 divisors (see below), whose sum is σ = 9374538240. Its totient is φ = 8382628800.

The previous prime is 8871015371. The next prime is 8871015403. The reversal of 8871015397 is 7935101788.

It is a cyclic number.

It is not a de Polignac number, because 8871015397 - 2¹⁹ = 8870491109 is a prime.

It is a super-2 number, since 2×8871015397² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8871015397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8871015347) 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, 333879 + ... + 359467.

It is an arithmetic number, because the mean of its divisors is an integer number (585908640).

Almost surely, 2^8871015397 is an apocalyptic number.

It is an amenable number.

8871015397 is a deficient number, since it is larger than the sum of its proper divisors (503522843).

8871015397 is a wasteful number, since it uses less digits than its factorization.

8871015397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25884.

The product of its (nonzero) digits is 423360, while the sum is 49.

The square root of 8871015397 is about 94186.0679559350. The cubic root of 8871015397 is about 2070.0989782851.

The spelling of 8871015397 in words is "eight billion, eight hundred seventy-one million, fifteen thousand, three hundred ninety-seven".