8278081 has 8 divisors (see below), whose sum is σ = 9480384. Its totient is φ = 7080720.

The previous prime is 8278073. The next prime is 8278097. The reversal of 8278081 is 1808728.

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 8278081 - 2³ = 8278073 is a prime.

It is a super-2 number, since 2×8278081² = 137053250085122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8278001) 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, 3666 + ... + 5476.

It is an arithmetic number, because the mean of its divisors is an integer number (1185048).

Almost surely, 2^8278081 is an apocalyptic number.

It is an amenable number.

8278081 is a deficient number, since it is larger than the sum of its proper divisors (1202303).

8278081 is a wasteful number, since it uses less digits than its factorization.

8278081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471.

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 8278081 is about 2877.1654453646. The cubic root of 8278081 is about 202.2909980994.

The spelling of 8278081 in words is "eight million, two hundred seventy-eight thousand, eighty-one".