86524637647 has 4 divisors (see below), whose sum is σ = 98885300176. Its totient is φ = 74163975120.

The previous prime is 86524637623. The next prime is 86524637653. The reversal of 86524637647 is 74673642568.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86524637647 - 2⁷ = 86524637519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86524637591 and 86524637600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86524697647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6180331254 + ... + 6180331267.

It is an arithmetic number, because the mean of its divisors is an integer number (24721325044).

Almost surely, 2^86524637647 is an apocalyptic number.

86524637647 is a deficient number, since it is larger than the sum of its proper divisors (12360662529).

86524637647 is a wasteful number, since it uses less digits than its factorization.

86524637647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12360662528.

The product of its digits is 40642560, while the sum is 58.

The spelling of 86524637647 in words is "eighty-six billion, five hundred twenty-four million, six hundred thirty-seven thousand, six hundred forty-seven".