226791987855 has 8 divisors (see below), whose sum is σ = 362867180592. Its totient is φ = 120955726848.

The previous prime is 226791987811. The next prime is 226791987979. The reversal of 226791987855 is 558789197622.

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

It is not a de Polignac number, because 226791987855 - 2⁸ = 226791987599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226791987855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7559732914 + ... + 7559732943.

It is an arithmetic number, because the mean of its divisors is an integer number (45358397574).

Almost surely, 2^226791987855 is an apocalyptic number.

226791987855 is a deficient number, since it is larger than the sum of its proper divisors (136075192737).

226791987855 is a wasteful number, since it uses less digits than its factorization.

226791987855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15119465865.

The product of its digits is 152409600, while the sum is 69.

The spelling of 226791987855 in words is "two hundred twenty-six billion, seven hundred ninety-one million, nine hundred eighty-seven thousand, eight hundred fifty-five".