86256360643 has 4 divisors (see below), whose sum is σ = 86271391008. Its totient is φ = 86241330280.

The previous prime is 86256360611. The next prime is 86256360689. The reversal of 86256360643 is 34606365268.

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 86256360643 - 2⁵ = 86256360611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86256360943) 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, 7506571 + ... + 7518052.

It is an arithmetic number, because the mean of its divisors is an integer number (21567847752).

Almost surely, 2^86256360643 is an apocalyptic number.

86256360643 is a deficient number, since it is larger than the sum of its proper divisors (15030365).

86256360643 is a wasteful number, since it uses less digits than its factorization.

86256360643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15030364.

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 86256360643 in words is "eighty-six billion, two hundred fifty-six million, three hundred sixty thousand, six hundred forty-three".