8000801578573 has 4 divisors (see below), whose sum is σ = 8014293656028. Its totient is φ = 7987309501120.

The previous prime is 8000801578489. The next prime is 8000801578579. The reversal of 8000801578573 is 3758751080008.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6402099276169 + 1598702302404 = 2530237^2 + 1264398^2 .

It is a cyclic number.

It is not a de Polignac number, because 8000801578573 - 2³³ = 7992211643981 is a prime.

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 8000801578573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8000801578579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6746037838 + ... + 6746039023.

It is an arithmetic number, because the mean of its divisors is an integer number (2003573414007).

Almost surely, 2^{8000801578573} is an apocalyptic number.

It is an amenable number.

8000801578573 is a deficient number, since it is larger than the sum of its proper divisors (13492077455).

8000801578573 is a wasteful number, since it uses less digits than its factorization.

8000801578573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13492077454.

The product of its (nonzero) digits is 1881600, while the sum is 52.

The spelling of 8000801578573 in words is "eight trillion, eight hundred one million, five hundred seventy-eight thousand, five hundred seventy-three".