57828782861 has 8 divisors (see below), whose sum is σ = 60345841920. Its totient is φ = 55311954192.

The previous prime is 57828782647. The next prime is 57828782863. The reversal of 57828782861 is 16828782875.

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 57828782861 - 2²² = 57824588557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57828782794 and 57828782803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57828782863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630236 + ... + 716138.

It is an arithmetic number, because the mean of its divisors is an integer number (7543230240).

Almost surely, 2^57828782861 is an apocalyptic number.

It is an amenable number.

57828782861 is a deficient number, since it is larger than the sum of its proper divisors (2517059059).

57828782861 is a wasteful number, since it uses less digits than its factorization.

57828782861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115195.

The product of its digits is 24084480, while the sum is 62.

The spelling of 57828782861 in words is "fifty-seven billion, eight hundred twenty-eight million, seven hundred eighty-two thousand, eight hundred sixty-one".