8797157 has 8 divisors (see below), whose sum is σ = 9161496. Its totient is φ = 8439552.

The previous prime is 8797153. The next prime is 8797169. The reversal of 8797157 is 7517978.

It is a Cunningham number, because it is equal to 2966²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 4990756 + 3806401 = 2234^2 + 1951^2 .

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

It is not a de Polignac number, because 8797157 - 2² = 8797153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8797153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1073 + ... + 4329.

It is an arithmetic number, because the mean of its divisors is an integer number (1145187).

Almost surely, 2^8797157 is an apocalyptic number.

It is an amenable number.

8797157 is a deficient number, since it is larger than the sum of its proper divisors (364339).

8797157 is a wasteful number, since it uses less digits than its factorization.

8797157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367.

The product of its digits is 123480, while the sum is 44.

The square root of 8797157 is about 2966.0001685772. Note that the first 3 decimals coincide. The cubic root of 8797157 is about 206.4337875726.

The spelling of 8797157 in words is "eight million, seven hundred ninety-seven thousand, one hundred fifty-seven".