86538068846637 has 4 divisors (see below), whose sum is σ = 115384091795520. Its totient is φ = 57692045897756.

The previous prime is 86538068846591. The next prime is 86538068846641. The reversal of 86538068846637 is 73664886083568.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86538068846637 - 2¹⁸ = 86538068584493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86538068896637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14423011474437 + ... + 14423011474442.

It is an arithmetic number, because the mean of its divisors is an integer number (28846022948880).

Almost surely, 2^{86538068846637} is an apocalyptic number.

It is an amenable number.

86538068846637 is a deficient number, since it is larger than the sum of its proper divisors (28846022948883).

86538068846637 is a wasteful number, since it uses less digits than its factorization.

86538068846637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28846022948882.

The product of its (nonzero) digits is 6688604160, while the sum is 78.

The spelling of 86538068846637 in words is "eighty-six trillion, five hundred thirty-eight billion, sixty-eight million, eight hundred forty-six thousand, six hundred thirty-seven".