632669677 has 8 divisors (see below), whose sum is σ = 647177216. Its totient is φ = 618311232.

The previous prime is 632669663. The next prime is 632669693. The reversal of 632669677 is 776966236.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-632669677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632669617) 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, 28668 + ... + 45685.

It is an arithmetic number, because the mean of its divisors is an integer number (80897152).

Almost surely, 2^632669677 is an apocalyptic number.

632669677 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

632669677 is a deficient number, since it is larger than the sum of its proper divisors (14507539).

632669677 is a wasteful number, since it uses less digits than its factorization.

632669677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74547.

The product of its digits is 3429216, while the sum is 52.

The square root of 632669677 is about 25152.9258139088. The cubic root of 632669677 is about 858.4710878119.

The spelling of 632669677 in words is "six hundred thirty-two million, six hundred sixty-nine thousand, six hundred seventy-seven".