86915112563 has 4 divisors (see below), whose sum is σ = 89912185440. Its totient is φ = 83918039688.

The previous prime is 86915112539. The next prime is 86915112617. The reversal of 86915112563 is 36521151968.

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 86915112563 - 2¹⁴ = 86915096179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86915112863) 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, 1498536395 + ... + 1498536452.

It is an arithmetic number, because the mean of its divisors is an integer number (22478046360).

Almost surely, 2^86915112563 is an apocalyptic number.

86915112563 is a deficient number, since it is larger than the sum of its proper divisors (2997072877).

86915112563 is a wasteful number, since it uses less digits than its factorization.

86915112563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997072876.

The product of its digits is 388800, while the sum is 47.

The spelling of 86915112563 in words is "eighty-six billion, nine hundred fifteen million, one hundred twelve thousand, five hundred sixty-three".