87986271715 has 8 divisors (see below), whose sum is σ = 105585827760. Its totient is φ = 70387482912.

The previous prime is 87986271713. The next prime is 87986271721. The reversal of 87986271715 is 51717268978.

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

It is a cyclic number.

It is not a de Polignac number, because 87986271715 - 2¹ = 87986271713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87986271713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101172 + ... + 431518.

It is an arithmetic number, because the mean of its divisors is an integer number (13198228470).

Almost surely, 2^87986271715 is an apocalyptic number.

87986271715 is a deficient number, since it is larger than the sum of its proper divisors (17599556045).

87986271715 is a wasteful number, since it uses less digits than its factorization.

87986271715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383621.

The product of its digits is 11854080, while the sum is 61.

The spelling of 87986271715 in words is "eighty-seven billion, nine hundred eighty-six million, two hundred seventy-one thousand, seven hundred fifteen".