56812722721798 has 8 divisors (see below), whose sum is σ = 85322630967408. Its totient is φ = 28371845732664.

The previous prime is 56812722721751. The next prime is 56812722721801. The reversal of 56812722721798 is 89712722721865.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17257812061 + ... + 17257815352.

It is an arithmetic number, because the mean of its divisors is an integer number (10665328870926).

Almost surely, 2^{56812722721798} is an apocalyptic number.

56812722721798 is a deficient number, since it is larger than the sum of its proper divisors (28509908245610).

56812722721798 is a wasteful number, since it uses less digits than its factorization.

56812722721798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34515628238.

The product of its digits is 94832640, while the sum is 67.

Adding to 56812722721798 its sum of digits (67), we get a palindrome (56812722721865).

The spelling of 56812722721798 in words is "fifty-six trillion, eight hundred twelve billion, seven hundred twenty-two million, seven hundred twenty-one thousand, seven hundred ninety-eight".