86303389691 has 4 divisors (see below), whose sum is σ = 86312980512. Its totient is φ = 86293798872.

The previous prime is 86303389681. The next prime is 86303389717. The reversal of 86303389691 is 19698330368.

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 86303389691 - 2¹⁰ = 86303388667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86303389621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4781900 + ... + 4799913.

It is an arithmetic number, because the mean of its divisors is an integer number (21578245128).

Almost surely, 2^86303389691 is an apocalyptic number.

86303389691 is a deficient number, since it is larger than the sum of its proper divisors (9590821).

86303389691 is an equidigital number, since it uses as much as digits as its factorization.

86303389691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9590820.

The product of its (nonzero) digits is 5038848, while the sum is 56.

The spelling of 86303389691 in words is "eighty-six billion, three hundred three million, three hundred eighty-nine thousand, six hundred ninety-one".