86219615563 has 4 divisors (see below), whose sum is σ = 86227610400. Its totient is φ = 86211620728.

The previous prime is 86219615561. The next prime is 86219615623. The reversal of 86219615563 is 36551691268.

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 86219615563 - 2¹ = 86219615561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86219615563.

It is not an unprimeable number, because it can be changed into a prime (86219615561) 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, 3981220 + ... + 4002817.

It is an arithmetic number, because the mean of its divisors is an integer number (21556902600).

Almost surely, 2^86219615563 is an apocalyptic number.

86219615563 is a deficient number, since it is larger than the sum of its proper divisors (7994837).

86219615563 is a wasteful number, since it uses less digits than its factorization.

86219615563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7994836.

The product of its digits is 2332800, while the sum is 52.

The spelling of 86219615563 in words is "eighty-six billion, two hundred nineteen million, six hundred fifteen thousand, five hundred sixty-three".