8278093 has 4 divisors (see below), whose sum is σ = 8284288. Its totient is φ = 8271900.

The previous prime is 8278073. The next prime is 8278097. The reversal of 8278093 is 3908728.

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 a de Polignac number, because none of the positive numbers 2^k-8278093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8278097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171 + ... + 4072.

It is an arithmetic number, because the mean of its divisors is an integer number (2071072).

Almost surely, 2^8278093 is an apocalyptic number.

It is an amenable number.

8278093 is a deficient number, since it is larger than the sum of its proper divisors (6195).

8278093 is a wasteful number, since it uses less digits than its factorization.

8278093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6194.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 8278093 is about 2877.1675307496. The cubic root of 8278093 is about 202.2910958471.

The spelling of 8278093 in words is "eight million, two hundred seventy-eight thousand, ninety-three".