8091769847 has 4 divisors (see below), whose sum is σ = 9247736976. Its totient is φ = 6935802720.

The previous prime is 8091769841. The next prime is 8091769897. The reversal of 8091769847 is 7489671908.

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

It is not a de Polignac number, because 8091769847 - 2⁴ = 8091769831 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 (8091769841) 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, 577983554 + ... + 577983567.

It is an arithmetic number, because the mean of its divisors is an integer number (2311934244).

Almost surely, 2^8091769847 is an apocalyptic number.

8091769847 is a deficient number, since it is larger than the sum of its proper divisors (1155967129).

8091769847 is a wasteful number, since it uses less digits than its factorization.

8091769847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155967128.

The product of its (nonzero) digits is 6096384, while the sum is 59.

The square root of 8091769847 is about 89954.2653074328. The cubic root of 8091769847 is about 2007.6184301628.

The spelling of 8091769847 in words is "eight billion, ninety-one million, seven hundred sixty-nine thousand, eight hundred forty-seven".