8791089049 has 8 divisors (see below), whose sum is σ = 9189617472. Its totient is φ = 8393919600.

The previous prime is 8791089023. The next prime is 8791089059. The reversal of 8791089049 is 9409801978.

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

It is a cyclic number.

It is not a de Polignac number, because 8791089049 - 2²³ = 8782700441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8791089059) 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, 326502 + ... + 352399.

It is an arithmetic number, because the mean of its divisors is an integer number (1148702184).

Almost surely, 2^8791089049 is an apocalyptic number.

It is an amenable number.

8791089049 is a deficient number, since it is larger than the sum of its proper divisors (398528423).

8791089049 is a wasteful number, since it uses less digits than its factorization.

8791089049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679487.

The product of its (nonzero) digits is 1306368, while the sum is 55.

The square root of 8791089049 is about 93760.8076383731. The cubic root of 8791089049 is about 2063.8631321148.

The spelling of 8791089049 in words is "eight billion, seven hundred ninety-one million, eighty-nine thousand, forty-nine".