86748365832591 has 8 divisors (see below), whose sum is σ = 116174022966144. Its totient is φ = 57577476293720.

The previous prime is 86748365832589. The next prime is 86748365832649. The reversal of 86748365832591 is 19523856384768.

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 86748365832591 - 2¹ = 86748365832589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86748365832521) 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, 63691897875 + ... + 63691899236.

It is an arithmetic number, because the mean of its divisors is an integer number (14521752870768).

Almost surely, 2^{86748365832591} is an apocalyptic number.

86748365832591 is a deficient number, since it is larger than the sum of its proper divisors (29425657133553).

86748365832591 is a wasteful number, since it uses less digits than its factorization.

86748365832591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127383797341.

The product of its digits is 2090188800, while the sum is 75.

The spelling of 86748365832591 in words is "eighty-six trillion, seven hundred forty-eight billion, three hundred sixty-five million, eight hundred thirty-two thousand, five hundred ninety-one".