677222506 has 16 divisors (see below), whose sum is σ = 1076079816. Its totient is φ = 318547456.

The previous prime is 677222477. The next prime is 677222509. The reversal of 677222506 is 605222776.

It can be written as a sum of positive squares in 4 ways, for example, as 604717281 + 72505225 = 24591^2 + 8515^2 .

It is not an unprimeable number, because it can be changed into a prime (677222509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122310 + ... + 127726.

Almost surely, 2^677222506 is an apocalyptic number.

677222506 is a deficient number, since it is larger than the sum of its proper divisors (398857310).

677222506 is a wasteful number, since it uses less digits than its factorization.

677222506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9113.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 677222506 is about 26023.4991113801. The cubic root of 677222506 is about 878.1670292417.

The spelling of 677222506 in words is "six hundred seventy-seven million, two hundred twenty-two thousand, five hundred six".