86591522079 has 12 divisors (see below), whose sum is σ = 125079325696. Its totient is φ = 57726443232.

The previous prime is 86591522077. The next prime is 86591522081. The reversal of 86591522079 is 97022519568.

It is an interprime number because it is at equal distance from previous prime (86591522077) and next prime (86591522081).

It is not a de Polignac number, because 86591522079 - 2¹ = 86591522077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86591522077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 572907 + ... + 708099.

Almost surely, 2^86591522079 is an apocalyptic number.

86591522079 is a deficient number, since it is larger than the sum of its proper divisors (38487803617).

86591522079 is a wasteful number, since it uses less digits than its factorization.

86591522079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206366 (or 206363 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 86591522079 in words is "eighty-six billion, five hundred ninety-one million, five hundred twenty-two thousand, seventy-nine".