56636606677 has 8 divisors (see below), whose sum is σ = 64740711296. Its totient is φ = 48535792272.

The previous prime is 56636606597. The next prime is 56636606771. The reversal of 56636606677 is 77660663665.

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 56636606677 - 2¹⁹ = 56636082389 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 (56636601677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785553 + ... + 854614.

It is an arithmetic number, because the mean of its divisors is an integer number (8092588912).

Almost surely, 2^56636606677 is an apocalyptic number.

It is an amenable number.

56636606677 is a deficient number, since it is larger than the sum of its proper divisors (8104104619).

56636606677 is a wasteful number, since it uses less digits than its factorization.

56636606677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645107.

The product of its (nonzero) digits is 34292160, while the sum is 58.

The spelling of 56636606677 in words is "fifty-six billion, six hundred thirty-six million, six hundred six thousand, six hundred seventy-seven".