86326157565 has 32 divisors (see below), whose sum is σ = 154498752000. Its totient is φ = 45731609280.

The previous prime is 86326157549. The next prime is 86326157581. The reversal of 86326157565 is 56575162368.

It is a happy number.

86326157565 is a `hidden beast` number, since 8 + 6 + 3 + 2 + 6 + 1 + 575 + 65 = 666.

It is an interprime number because it is at equal distance from previous prime (86326157549) and next prime (86326157581).

It is not a de Polignac number, because 86326157565 - 2⁴ = 86326157549 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2125701 + ... + 2165930.

It is an arithmetic number, because the mean of its divisors is an integer number (4828086000).

Almost surely, 2^86326157565 is an apocalyptic number.

It is an amenable number.

86326157565 is a deficient number, since it is larger than the sum of its proper divisors (68172594435).

86326157565 is a wasteful number, since it uses less digits than its factorization.

86326157565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4291794 (or 4291788 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 54.

The spelling of 86326157565 in words is "eighty-six billion, three hundred twenty-six million, one hundred fifty-seven thousand, five hundred sixty-five".