8278799 has 2 divisors, whose sum is σ = 8278800. Its totient is φ = 8278798.

The previous prime is 8278793. The next prime is 8278801. The reversal of 8278799 is 9978728.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8278799 - 2⁴ = 8278783 is a prime.

Together with 8278801, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8278793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4139399 + 4139400.

It is an arithmetic number, because the mean of its divisors is an integer number (4139400).

Almost surely, 2^8278799 is an apocalyptic number.

8278799 is a deficient number, since it is larger than the sum of its proper divisors (1).

8278799 is an equidigital number, since it uses as much as digits as its factorization.

8278799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 50.

The square root of 8278799 is about 2877.2902182435. The cubic root of 8278799 is about 202.2968465055.

The spelling of 8278799 in words is "eight million, two hundred seventy-eight thousand, seven hundred ninety-nine".