56671389286 has 8 divisors (see below), whose sum is σ = 85214926440. Its totient is φ = 28266413808.

The previous prime is 56671389259. The next prime is 56671389337. The reversal of 56671389286 is 68298317665.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34639396 + ... + 34641031.

It is an arithmetic number, because the mean of its divisors is an integer number (10651865805).

Almost surely, 2^56671389286 is an apocalyptic number.

56671389286 is a deficient number, since it is larger than the sum of its proper divisors (28543537154).

56671389286 is a wasteful number, since it uses less digits than its factorization.

56671389286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69280838.

The product of its digits is 26127360, while the sum is 61.

The spelling of 56671389286 in words is "fifty-six billion, six hundred seventy-one million, three hundred eighty-nine thousand, two hundred eighty-six".