8779489 has 8 divisors (see below), whose sum is σ = 9155520. Its totient is φ = 8408400.

The previous prime is 8779481. The next prime is 8779493. The reversal of 8779489 is 9849778.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 8779489 - 2³ = 8779481 is a prime.

It is a super-2 number, since 2×8779489² = 154158854202242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8779481) 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, 2644 + ... + 4954.

It is an arithmetic number, because the mean of its divisors is an integer number (1144440).

Almost surely, 2^8779489 is an apocalyptic number.

It is an amenable number.

8779489 is a deficient number, since it is larger than the sum of its proper divisors (376031).

8779489 is a wasteful number, since it uses less digits than its factorization.

8779489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471.

The product of its digits is 1016064, while the sum is 52.

The square root of 8779489 is about 2963.0202496777. The cubic root of 8779489 is about 206.2954960546.

The spelling of 8779489 in words is "eight million, seven hundred seventy-nine thousand, four hundred eighty-nine".