56828086257 has 8 divisors (see below), whose sum is σ = 79065163584. Its totient is φ = 36238199888.

The previous prime is 56828086241. The next prime is 56828086283. The reversal of 56828086257 is 75268082865.

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 56828086257 - 2⁴ = 56828086241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56828086197 and 56828086206.

It is not an unprimeable number, because it can be changed into a prime (56828086207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411797658 + ... + 411797795.

It is an arithmetic number, because the mean of its divisors is an integer number (9883145448).

Almost surely, 2^56828086257 is an apocalyptic number.

It is an amenable number.

56828086257 is a deficient number, since it is larger than the sum of its proper divisors (22237077327).

56828086257 is a wasteful number, since it uses less digits than its factorization.

56828086257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823595479.

The product of its (nonzero) digits is 12902400, while the sum is 57.

The spelling of 56828086257 in words is "fifty-six billion, eight hundred twenty-eight million, eighty-six thousand, two hundred fifty-seven".