2800250879 has 2 divisors, whose sum is σ = 2800250880. Its totient is φ = 2800250878.

The previous prime is 2800250867. The next prime is 2800250881. The reversal of 2800250879 is 9780520082.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2800250879 - 2⁸ = 2800250623 is a prime.

It is a Sophie Germain prime.

Together with 2800250881, 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 (2800250899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400125439 + 1400125440.

It is an arithmetic number, because the mean of its divisors is an integer number (1400125440).

Almost surely, 2^2800250879 is an apocalyptic number.

2800250879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2800250879 is an equidigital number, since it uses as much as digits as its factorization.

2800250879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 2800250879 is about 52917.3967519189. The cubic root of 2800250879 is about 1409.5018408524.

The spelling of 2800250879 in words is "two billion, eight hundred million, two hundred fifty thousand, eight hundred seventy-nine".