223666677 has 32 divisors (see below), whose sum is σ = 361298560. Its totient is φ = 137623536.

The previous prime is 223666669. The next prime is 223666679. The reversal of 223666677 is 776666322.

It is not a de Polignac number, because 223666677 - 2³ = 223666669 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223666679) 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, 24498 + ... + 32364.

It is an arithmetic number, because the mean of its divisors is an integer number (11290580).

Almost surely, 2^223666677 is an apocalyptic number.

223666677 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

223666677 is a deficient number, since it is larger than the sum of its proper divisors (137631883).

223666677 is an frugal number, since it uses more digits than its factorization.

223666677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7901 (or 7883 counting only the distinct ones).

The product of its digits is 762048, while the sum is 45.

The square root of 223666677 is about 14955.4898615859. The cubic root of 223666677 is about 607.0164052645.

The spelling of 223666677 in words is "two hundred twenty-three million, six hundred sixty-six thousand, six hundred seventy-seven".