86456787563 has 4 divisors (see below), whose sum is σ = 86570998080. Its totient is φ = 86342577048.

The previous prime is 86456787551. The next prime is 86456787629. The reversal of 86456787563 is 36578765468.

It is a happy number.

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 86456787563 - 2¹² = 86456783467 is a prime.

It is a super-2 number, since 2×86456787563² (a number of 23 digits) contains 22 as substring.

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 86456787563.

It is not an unprimeable number, because it can be changed into a prime (86456787523) 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, 57104123 + ... + 57105636.

It is an arithmetic number, because the mean of its divisors is an integer number (21642749520).

Almost surely, 2^86456787563 is an apocalyptic number.

86456787563 is a deficient number, since it is larger than the sum of its proper divisors (114210517).

86456787563 is a wasteful number, since it uses less digits than its factorization.

86456787563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114210516.

The product of its digits is 203212800, while the sum is 65.

The spelling of 86456787563 in words is "eighty-six billion, four hundred fifty-six million, seven hundred eighty-seven thousand, five hundred sixty-three".