83008563 has 8 divisors (see below), whose sum is σ = 120739776. Its totient is φ = 50308200.

The previous prime is 83008561. The next prime is 83008571. The reversal of 83008563 is 36580038.

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

It is not a de Polignac number, because 83008563 - 2¹ = 83008561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2515411 = 83008563 / (8 + 3 + 0 + 0 + 8 + 5 + 6 + 3).

It is not an unprimeable number, because it can be changed into a prime (83008561) 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, 1257673 + ... + 1257738.

It is an arithmetic number, because the mean of its divisors is an integer number (15092472).

Almost surely, 2^83008563 is an apocalyptic number.

83008563 is a deficient number, since it is larger than the sum of its proper divisors (37731213).

83008563 is a wasteful number, since it uses less digits than its factorization.

83008563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515425.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 83008563 is about 9110.9035227029. The cubic root of 83008563 is about 436.2220675980. Note that the first 3 decimals are identical.

The spelling of 83008563 in words is "eighty-three million, eight thousand, five hundred sixty-three".