677234666 has 4 divisors (see below), whose sum is σ = 1015852002. Its totient is φ = 338617332.

The previous prime is 677234653. The next prime is 677234687. The reversal of 677234666 is 666432776.

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

It can be written as a sum of positive squares in only one way, i.e., 563065441 + 114169225 = 23729^2 + 10685^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 677234666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169308665 + ... + 169308668.

Almost surely, 2^677234666 is an apocalyptic number.

677234666 is a deficient number, since it is larger than the sum of its proper divisors (338617336).

677234666 is a wasteful number, since it uses less digits than its factorization.

677234666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338617335.

The product of its digits is 1524096, while the sum is 47.

The square root of 677234666 is about 26023.7327453231. The cubic root of 677234666 is about 878.1722852431.

The spelling of 677234666 in words is "six hundred seventy-seven million, two hundred thirty-four thousand, six hundred sixty-six".