56728146277 has 8 divisors (see below), whose sum is σ = 65525559552. Its totient is φ = 48537451200.

The previous prime is 56728146221. The next prime is 56728146283. The reversal of 56728146277 is 77264182765.

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 56728146277 - 2¹¹ = 56728144229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56728146077) 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 7 ways as a sum of consecutive naturals, for example, 151679349 + ... + 151679722.

It is an arithmetic number, because the mean of its divisors is an integer number (8190694944).

Almost surely, 2^56728146277 is an apocalyptic number.

It is an amenable number.

56728146277 is a deficient number, since it is larger than the sum of its proper divisors (8797413275).

56728146277 is a wasteful number, since it uses less digits than its factorization.

56728146277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303359099.

The product of its digits is 7902720, while the sum is 55.

The spelling of 56728146277 in words is "fifty-six billion, seven hundred twenty-eight million, one hundred forty-six thousand, two hundred seventy-seven".