8563378011 has 8 divisors (see below), whose sum is σ = 11460283920. Its totient is φ = 5687695392.

The previous prime is 8563378003. The next prime is 8563378027. The reversal of 8563378011 is 1108733658.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8563378011 - 2³ = 8563378003 is a prime.

It is a super-2 number, since 2×8563378011² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (8563378211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5304880 + ... + 5306493.

It is an arithmetic number, because the mean of its divisors is an integer number (1432535490).

Almost surely, 2^8563378011 is an apocalyptic number.

8563378011 is a deficient number, since it is larger than the sum of its proper divisors (2896905909).

8563378011 is a wasteful number, since it uses less digits than its factorization.

8563378011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10611645.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 8563378011 is about 92538.5217679643. The cubic root of 8563378011 is about 2045.8872938568.

The spelling of 8563378011 in words is "eight billion, five hundred sixty-three million, three hundred seventy-eight thousand, eleven".