56787843203 has 64 divisors (see below), whose sum is σ = 74389432320. Its totient is φ = 42122944512.

The previous prime is 56787843187. The next prime is 56787843257. The reversal of 56787843203 is 30234878765.

It is a Cunningham number, because it is equal to 238302²-1.

It is a cyclic number.

It is not a de Polignac number, because 56787843203 - 2⁴ = 56787843187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56787843293) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 71251601 + ... + 71252397.

It is an arithmetic number, because the mean of its divisors is an integer number (1162334880).

Almost surely, 2^56787843203 is an apocalyptic number.

56787843203 is a deficient number, since it is larger than the sum of its proper divisors (17601589117).

56787843203 is a wasteful number, since it uses less digits than its factorization.

With its successor (56787843204) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (1476).

56787843203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476.

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 56787843203 in words is "fifty-six billion, seven hundred eighty-seven million, eight hundred forty-three thousand, two hundred three".