8972177 has 2 divisors, whose sum is σ = 8972178. Its totient is φ = 8972176.

The previous prime is 8972147. The next prime is 8972191. The reversal of 8972177 is 7712798.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5958481 + 3013696 = 2441^2 + 1736^2 .

It is a cyclic number.

It is not a de Polignac number, because 8972177 - 2¹⁸ = 8710033 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (8972137) 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 as a sum of consecutive naturals, namely, 4486088 + 4486089.

It is an arithmetic number, because the mean of its divisors is an integer number (4486089).

Almost surely, 2^8972177 is an apocalyptic number.

It is an amenable number.

8972177 is a deficient number, since it is larger than the sum of its proper divisors (1).

8972177 is an equidigital number, since it uses as much as digits as its factorization.

8972177 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49392, while the sum is 41.

The square root of 8972177 is about 2995.3592438971. The cubic root of 8972177 is about 207.7938122566.

It can be divided in two parts, 89721 and 77, that added together give a palindrome (89798).

The spelling of 8972177 in words is "eight million, nine hundred seventy-two thousand, one hundred seventy-seven".