8782881 has 8 divisors (see below), whose sum is σ = 11820384. Its totient is φ = 5800320.

The previous prime is 8782877. The next prime is 8782901. The reversal of 8782881 is 1882878.

It is a happy number.

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

It is not a de Polignac number, because 8782881 - 2² = 8782877 is a prime.

It is a super-2 number, since 2×8782881² = 154277997320322, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

8782881 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8782861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13360 + ... + 14001.

It is an arithmetic number, because the mean of its divisors is an integer number (1477548).

Almost surely, 2^8782881 is an apocalyptic number.

It is an amenable number.

8782881 is a deficient number, since it is larger than the sum of its proper divisors (3037503).

8782881 is a wasteful number, since it uses less digits than its factorization.

8782881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27471.

The product of its digits is 57344, while the sum is 42.

The square root of 8782881 is about 2963.5925833353. The cubic root of 8782881 is about 206.3220604034.

The spelling of 8782881 in words is "eight million, seven hundred eighty-two thousand, eight hundred eighty-one".