2254178879 has 2 divisors, whose sum is σ = 2254178880. Its totient is φ = 2254178878.

The previous prime is 2254178863. The next prime is 2254178897. The reversal of 2254178879 is 9788714522.

Together with next prime (2254178897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2254178879 - 2⁴ = 2254178863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2254178879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2254178279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127089439 + 1127089440.

It is an arithmetic number, because the mean of its divisors is an integer number (1127089440).

Almost surely, 2^2254178879 is an apocalyptic number.

2254178879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2254178879 is an equidigital number, since it uses as much as digits as its factorization.

2254178879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2257920, while the sum is 53.

The square root of 2254178879 is about 47478.1937209073. The cubic root of 2254178879 is about 1311.1814369565.

The spelling of 2254178879 in words is "two billion, two hundred fifty-four million, one hundred seventy-eight thousand, eight hundred seventy-nine".