1676677669 has 8 divisors (see below), whose sum is σ = 1694499480. Its totient is φ = 1658880000.

The previous prime is 1676677633. The next prime is 1676677697. The reversal of 1676677669 is 9667766761.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 827712900 + 848964769 = 28770^2 + 29137^2 .

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 1676677669 - 2²¹ = 1674580517 is a prime.

It is a super-2 number, since 2×1676677669² = 5622496011446547122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1676677469) 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, 156517 + ... + 166885.

It is an arithmetic number, because the mean of its divisors is an integer number (211812435).

Almost surely, 2^1676677669 is an apocalyptic number.

It is an amenable number.

1676677669 is a deficient number, since it is larger than the sum of its proper divisors (17821811).

1676677669 is a wasteful number, since it uses less digits than its factorization.

1676677669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12071.

The product of its digits is 24004512, while the sum is 61.

The square root of 1676677669 is about 40947.2547187232. The cubic root of 1676677669 is about 1188.0002354729. Note that the first 3 decimals are identical.

The spelling of 1676677669 in words is "one billion, six hundred seventy-six million, six hundred seventy-seven thousand, six hundred sixty-nine".