8467861563 has 12 divisors (see below), whose sum is σ = 13978692208. Its totient is φ = 4838778000.

The previous prime is 8467861561. The next prime is 8467861579. The reversal of 8467861563 is 3651687648.

8467861563 is a `hidden beast` number, since 8 + 4 + 6 + 78 + 6 + 1 + 563 = 666.

It is not a de Polignac number, because 8467861563 - 2¹ = 8467861561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8467861561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67205188 + ... + 67205313.

Almost surely, 2^8467861563 is an apocalyptic number.

8467861563 is a deficient number, since it is larger than the sum of its proper divisors (5510830645).

8467861563 is a wasteful number, since it uses less digits than its factorization.

8467861563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134410514 (or 134410511 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 8467861563 is about 92020.9843622638. The cubic root of 8467861563 is about 2038.2521844644.

The spelling of 8467861563 in words is "eight billion, four hundred sixty-seven million, eight hundred sixty-one thousand, five hundred sixty-three".