2255678798 has 8 divisors (see below), whose sum is σ = 3396004320. Its totient is φ = 1123677360.

The previous prime is 2255678791. The next prime is 2255678807. The reversal of 2255678798 is 8978765522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255678791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2080343 + ... + 2081426.

It is an arithmetic number, because the mean of its divisors is an integer number (424500540).

Almost surely, 2^2255678798 is an apocalyptic number.

2255678798 is a deficient number, since it is larger than the sum of its proper divisors (1140325522).

2255678798 is a wasteful number, since it uses less digits than its factorization.

2255678798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162042.

The product of its digits is 16934400, while the sum is 59.

The square root of 2255678798 is about 47493.9869667730. The cubic root of 2255678798 is about 1311.4721902660.

The spelling of 2255678798 in words is "two billion, two hundred fifty-five million, six hundred seventy-eight thousand, seven hundred ninety-eight".