677627669 has 8 divisors (see below), whose sum is σ = 694985280. Its totient is φ = 660342816.

The previous prime is 677627663. The next prime is 677627689. The reversal of 677627669 is 966726776.

It is a happy number.

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 677627669 - 2⁸ = 677627413 is a prime.

It is a super-2 number, since 2×677627669² = 918358515588747122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677627663) 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, 929 + ... + 36825.

It is an arithmetic number, because the mean of its divisors is an integer number (86873160).

Almost surely, 2^677627669 is an apocalyptic number.

It is an amenable number.

677627669 is a deficient number, since it is larger than the sum of its proper divisors (17357611).

677627669 is a wasteful number, since it uses less digits than its factorization.

677627669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36379.

The product of its digits is 8001504, while the sum is 56.

The square root of 677627669 is about 26031.2825077828. The cubic root of 677627669 is about 878.3421217967.

The spelling of 677627669 in words is "six hundred seventy-seven million, six hundred twenty-seven thousand, six hundred sixty-nine".