8779161 has 4 divisors (see below), whose sum is σ = 11705552. Its totient is φ = 5852772.

The previous prime is 8779153. The next prime is 8779163. The reversal of 8779161 is 1619778.

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 not a de Polignac number, because 8779161 - 2³ = 8779153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8779163) 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, 1463191 + ... + 1463196.

It is an arithmetic number, because the mean of its divisors is an integer number (2926388).

Almost surely, 2^8779161 is an apocalyptic number.

It is an amenable number.

8779161 is a deficient number, since it is larger than the sum of its proper divisors (2926391).

8779161 is a wasteful number, since it uses less digits than its factorization.

8779161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926390.

The product of its digits is 21168, while the sum is 39.

The square root of 8779161 is about 2962.9649002308. The cubic root of 8779161 is about 206.2929269695.

The spelling of 8779161 in words is "eight million, seven hundred seventy-nine thousand, one hundred sixty-one".