226777777677 has 32 divisors (see below), whose sum is σ = 367311749760. Its totient is φ = 137140248960.

The previous prime is 226777777649. The next prime is 226777777693. The reversal of 226777777677 is 776777777622.

It is not a de Polignac number, because 226777777677 - 2¹¹ = 226777775629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226777778677) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 699678 + ... + 971135.

It is an arithmetic number, because the mean of its divisors is an integer number (11478492180).

Almost surely, 2^226777777677 is an apocalyptic number.

226777777677 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

226777777677 is a deficient number, since it is larger than the sum of its proper divisors (140533972083).

226777777677 is a wasteful number, since it uses less digits than its factorization.

226777777677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671290 (or 1671284 counting only the distinct ones).

The product of its digits is 830131344, while the sum is 72.

Subtracting 226777777677 from its reverse (776777777622), we obtain a palindrome (549999999945).

The spelling of 226777777677 in words is "two hundred twenty-six billion, seven hundred seventy-seven million, seven hundred seventy-seven thousand, six hundred seventy-seven".