8081969567 has 4 divisors (see below), whose sum is σ = 9236536656. Its totient is φ = 6927402480.

The previous prime is 8081969531. The next prime is 8081969573. The reversal of 8081969567 is 7659691808.

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

It is a cyclic number.

It is not a de Polignac number, because 8081969567 - 2¹⁶ = 8081904031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8081969587) 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, 577283534 + ... + 577283547.

It is an arithmetic number, because the mean of its divisors is an integer number (2309134164).

Almost surely, 2^8081969567 is an apocalyptic number.

8081969567 is a deficient number, since it is larger than the sum of its proper divisors (1154567089).

8081969567 is a wasteful number, since it uses less digits than its factorization.

8081969567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154567088.

The product of its (nonzero) digits is 6531840, while the sum is 59.

The square root of 8081969567 is about 89899.7751220769. The cubic root of 8081969567 is about 2006.8075992556.

The spelling of 8081969567 in words is "eight billion, eighty-one million, nine hundred sixty-nine thousand, five hundred sixty-seven".