8005052578 has 4 divisors (see below), whose sum is σ = 12007578870. Its totient is φ = 4002526288.

The previous prime is 8005052567. The next prime is 8005052597. The reversal of 8005052578 is 8752505008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7674285609 + 330766969 = 87603^2 + 18187^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 8005052578.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001263143 + ... + 2001263146.

Almost surely, 2^8005052578 is an apocalyptic number.

8005052578 is a deficient number, since it is larger than the sum of its proper divisors (4002526292).

8005052578 is a wasteful number, since it uses less digits than its factorization.

8005052578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002526291.

The product of its (nonzero) digits is 112000, while the sum is 40.

The square root of 8005052578 is about 89470.9594114202. The cubic root of 8005052578 is about 2000.4209595570.

The spelling of 8005052578 in words is "eight billion, five million, fifty-two thousand, five hundred seventy-eight".