8791897 has 4 divisors (see below), whose sum is σ = 8798976. Its totient is φ = 8784820.

The previous prime is 8791891. The next prime is 8791933. The reversal of 8791897 is 7981978.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8791897 - 2²³ = 403289 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 8791897.

It is not an unprimeable number, because it can be changed into a prime (8791891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1129 + ... + 4342.

It is an arithmetic number, because the mean of its divisors is an integer number (2199744).

Almost surely, 2^8791897 is an apocalyptic number.

It is an amenable number.

8791897 is a deficient number, since it is larger than the sum of its proper divisors (7079).

8791897 is a wasteful number, since it uses less digits than its factorization.

8791897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7078.

The product of its digits is 254016, while the sum is 49.

The square root of 8791897 is about 2965.1133199256. The cubic root of 8791897 is about 206.3926357091.

The spelling of 8791897 in words is "eight million, seven hundred ninety-one thousand, eight hundred ninety-seven".