56678117213 has 8 divisors (see below), whose sum is σ = 56756072736. Its totient is φ = 56600201200.

The previous prime is 56678117183. The next prime is 56678117281. The reversal of 56678117213 is 31271187665.

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 56678117213 - 2¹² = 56678113117 is a prime.

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 (56678117413) 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, 3842270 + ... + 3856992.

It is an arithmetic number, because the mean of its divisors is an integer number (7094509092).

Almost surely, 2^56678117213 is an apocalyptic number.

It is an amenable number.

56678117213 is a deficient number, since it is larger than the sum of its proper divisors (77955523).

56678117213 is a wasteful number, since it uses less digits than its factorization.

56678117213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19755.

The product of its digits is 423360, while the sum is 47.

The spelling of 56678117213 in words is "fifty-six billion, six hundred seventy-eight million, one hundred seventeen thousand, two hundred thirteen".