56896636947 has 8 divisors (see below), whose sum is σ = 75864615360. Its totient is φ = 37929874920.

The previous prime is 56896636943. The next prime is 56896636981. The reversal of 56896636947 is 74963669865.

It is a happy number.

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

It is not a de Polignac number, because 56896636947 - 2² = 56896636943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56896636943) 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, 188697 + ... + 386522.

It is an arithmetic number, because the mean of its divisors is an integer number (9483076920).

Almost surely, 2^56896636947 is an apocalyptic number.

56896636947 is a deficient number, since it is larger than the sum of its proper divisors (18967978413).

56896636947 is a wasteful number, since it uses less digits than its factorization.

56896636947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608193.

The product of its digits is 352719360, while the sum is 69.

The spelling of 56896636947 in words is "fifty-six billion, eight hundred ninety-six million, six hundred thirty-six thousand, nine hundred forty-seven".