9782542857 has 8 divisors (see below), whose sum is σ = 13079724480. Its totient is φ = 6503528240.

The previous prime is 9782542853. The next prime is 9782542877. The reversal of 9782542857 is 7582452879.

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 9782542857 - 2² = 9782542853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9782542797 and 9782542806.

It is not an unprimeable number, because it can be changed into a prime (9782542853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4540494 + ... + 4542647.

It is an arithmetic number, because the mean of its divisors is an integer number (1634965560).

Almost surely, 2^9782542857 is an apocalyptic number.

It is an amenable number.

9782542857 is a deficient number, since it is larger than the sum of its proper divisors (3297181623).

9782542857 is a wasteful number, since it uses less digits than its factorization.

9782542857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9083503.

The product of its digits is 11289600, while the sum is 57.

The square root of 9782542857 is about 98906.7381779422. The cubic root of 9782542857 is about 2138.7035307475.

The spelling of 9782542857 in words is "nine billion, seven hundred eighty-two million, five hundred forty-two thousand, eight hundred fifty-seven".