8977897 has 4 divisors (see below), whose sum is σ = 8997120. Its totient is φ = 8958676.

The previous prime is 8977883. The next prime is 8977901. The reversal of 8977897 is 7987798.

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.

It is a cyclic number.

It is not a de Polignac number, because 8977897 - 2²³ = 589289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8977807) 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, 8893 + ... + 9850.

It is an arithmetic number, because the mean of its divisors is an integer number (2249280).

Almost surely, 2^8977897 is an apocalyptic number.

It is an amenable number.

8977897 is a deficient number, since it is larger than the sum of its proper divisors (19223).

8977897 is a wasteful number, since it uses less digits than its factorization.

8977897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19222.

The product of its digits is 1778112, while the sum is 55.

The square root of 8977897 is about 2996.3139021137. The cubic root of 8977897 is about 207.8379608920.

Subtracting from 8977897 its reverse (7987798), we obtain a palindrome (990099).

The spelling of 8977897 in words is "eight million, nine hundred seventy-seven thousand, eight hundred ninety-seven".