677224489 has 4 divisors (see below), whose sum is σ = 706669056. Its totient is φ = 647779924.

The previous prime is 677224487. The next prime is 677224523. The reversal of 677224489 is 984422776.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 677224489 - 2¹ = 677224487 is a prime.

It is a super-2 number, since 2×677224489² = 917266017002622242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677224487) 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, 14722249 + ... + 14722294.

It is an arithmetic number, because the mean of its divisors is an integer number (176667264).

Almost surely, 2^677224489 is an apocalyptic number.

It is an amenable number.

677224489 is a deficient number, since it is larger than the sum of its proper divisors (29444567).

677224489 is a wasteful number, since it uses less digits than its factorization.

677224489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29444566.

The product of its digits is 1354752, while the sum is 49.

The square root of 677224489 is about 26023.5372115322. The cubic root of 677224489 is about 878.1678863719.

The spelling of 677224489 in words is "six hundred seventy-seven million, two hundred twenty-four thousand, four hundred eighty-nine".