86636547873 has 24 divisors (see below), whose sum is σ = 125597279808. Its totient is φ = 57547569312.

The previous prime is 86636547859. The next prime is 86636547887. The reversal of 86636547873 is 37874563668.

86636547873 is a `hidden beast` number, since 8 + 6 + 6 + 3 + 6 + 547 + 87 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (86636547859) and next prime (86636547887).

It is not a de Polignac number, because 86636547873 - 2¹³ = 86636539681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86636547873.

It is not an unprimeable number, because it can be changed into a prime (86636557873) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10669411 + ... + 10677527.

It is an arithmetic number, because the mean of its divisors is an integer number (5233219992).

Almost surely, 2^86636547873 is an apocalyptic number.

It is an amenable number.

86636547873 is a deficient number, since it is larger than the sum of its proper divisors (38960731935).

86636547873 is a wasteful number, since it uses less digits than its factorization.

86636547873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12293 (or 12290 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 63.

The spelling of 86636547873 in words is "eighty-six billion, six hundred thirty-six million, five hundred forty-seven thousand, eight hundred seventy-three".