677111223 has 4 divisors (see below), whose sum is σ = 902814968. Its totient is φ = 451407480.

The previous prime is 677111213. The next prime is 677111233. The reversal of 677111223 is 322111776.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (677111213) and next prime (677111233).

It is not a de Polignac number, because 677111223 - 2⁶ = 677111159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677111213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112851868 + ... + 112851873.

It is an arithmetic number, because the mean of its divisors is an integer number (225703742).

Almost surely, 2^677111223 is an apocalyptic number.

677111223 is a deficient number, since it is larger than the sum of its proper divisors (225703745).

677111223 is a wasteful number, since it uses less digits than its factorization.

677111223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225703744.

The product of its digits is 3528, while the sum is 30.

The square root of 677111223 is about 26021.3608983081. The cubic root of 677111223 is about 878.1189256943.

Adding to 677111223 its reverse (322111776), we get a palindrome (999222999).

The spelling of 677111223 in words is "six hundred seventy-seven million, one hundred eleven thousand, two hundred twenty-three".