223139977 has 8 divisors (see below), whose sum is σ = 236424096. Its totient is φ = 209873472.

The previous prime is 223139963. The next prime is 223139981. The reversal of 223139977 is 779931322.

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

It is a cyclic number.

It is not a de Polignac number, because 223139977 - 2⁷ = 223139849 is a prime.

It is a super-3 number, since 3×223139977³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223139927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28978 + ... + 35860.

It is an arithmetic number, because the mean of its divisors is an integer number (29553012).

Almost surely, 2^223139977 is an apocalyptic number.

It is an amenable number.

223139977 is a deficient number, since it is larger than the sum of its proper divisors (13284119).

223139977 is a wasteful number, since it uses less digits than its factorization.

223139977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8807.

The product of its digits is 142884, while the sum is 43.

The square root of 223139977 is about 14937.8705644412. The cubic root of 223139977 is about 606.5395545719.

The spelling of 223139977 in words is "two hundred twenty-three million, one hundred thirty-nine thousand, nine hundred seventy-seven".