8277161 has 4 divisors (see below), whose sum is σ = 8283024. Its totient is φ = 8271300.

The previous prime is 8277149. The next prime is 8277163. The reversal of 8277161 is 1617728.

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 8277161 - 2⁶ = 8277097 is a prime.

It is a super-2 number, since 2×8277161² = 137022788439842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8277163) 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 3 ways as a sum of consecutive naturals, for example, 626 + ... + 4116.

It is an arithmetic number, because the mean of its divisors is an integer number (2070756).

Almost surely, 2^8277161 is an apocalyptic number.

It is an amenable number.

8277161 is a deficient number, since it is larger than the sum of its proper divisors (5863).

8277161 is a wasteful number, since it uses less digits than its factorization.

8277161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5862.

The product of its digits is 4704, while the sum is 32.

The square root of 8277161 is about 2877.0055613433. The cubic root of 8277161 is about 202.2835038257.

Subtracting from 8277161 its sum of digits (32), we obtain a square (8277129 = 2877²).

The spelling of 8277161 in words is "eight million, two hundred seventy-seven thousand, one hundred sixty-one".