2255678807 has 2 divisors, whose sum is σ = 2255678808. Its totient is φ = 2255678806.

The previous prime is 2255678791. The next prime is 2255678851. The reversal of 2255678807 is 7088765522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2255678807 - 2⁴ = 2255678791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2255678857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127839403 + 1127839404.

It is an arithmetic number, because the mean of its divisors is an integer number (1127839404).

Almost surely, 2^2255678807 is an apocalyptic number.

2255678807 is a deficient number, since it is larger than the sum of its proper divisors (1).

2255678807 is an equidigital number, since it uses as much as digits as its factorization.

2255678807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1881600, while the sum is 50.

The square root of 2255678807 is about 47493.9870615218. The cubic root of 2255678807 is about 1311.4721920103.

The spelling of 2255678807 in words is "two billion, two hundred fifty-five million, six hundred seventy-eight thousand, eight hundred seven".