8864347434563 has 24 divisors (see below), whose sum is σ = 9065471037120. Its totient is φ = 8667495649280.

The previous prime is 8864347434541. The next prime is 8864347434581. The reversal of 8864347434563 is 3654347434688.

It is a happy number.

It is not a de Polignac number, because 8864347434563 - 2⁶ = 8864347434499 is a prime.

It is a hoax number, since the sum of its digits (65) coincides with the sum of the digits of its distinct prime factors.

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 8864347434563.

It is not an unprimeable number, because it can be changed into a prime (8864347434533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 643222733 + ... + 643236513.

It is an arithmetic number, because the mean of its divisors is an integer number (377727959880).

Almost surely, 2^{8864347434563} is an apocalyptic number.

8864347434563 is a deficient number, since it is larger than the sum of its proper divisors (201123602557).

8864347434563 is a wasteful number, since it uses less digits than its factorization.

8864347434563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14875 (or 14816 counting only the distinct ones).

The product of its digits is 557383680, while the sum is 65.

The spelling of 8864347434563 in words is "eight trillion, eight hundred sixty-four billion, three hundred forty-seven million, four hundred thirty-four thousand, five hundred sixty-three".