8725871615 has 8 divisors (see below), whose sum is σ = 10504716768. Its totient is φ = 6958250080.

The previous prime is 8725871603. The next prime is 8725871659. The reversal of 8725871615 is 5161785278.

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

It is not a de Polignac number, because 8725871615 - 2⁸ = 8725871359 is a prime.

It is a super-2 number, since 2×8725871615² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2804192 + ... + 2807301.

It is an arithmetic number, because the mean of its divisors is an integer number (1313089596).

Almost surely, 2^8725871615 is an apocalyptic number.

8725871615 is a deficient number, since it is larger than the sum of its proper divisors (1778845153).

8725871615 is a wasteful number, since it uses less digits than its factorization.

8725871615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611809.

The product of its digits is 940800, while the sum is 50.

The square root of 8725871615 is about 93412.3739929566. The cubic root of 8725871615 is about 2058.7468117791.

The spelling of 8725871615 in words is "eight billion, seven hundred twenty-five million, eight hundred seventy-one thousand, six hundred fifteen".