542783789 has 8 divisors (see below), whose sum is σ = 556440192. Its totient is φ = 529147360.

The previous prime is 542783783. The next prime is 542783809. The reversal of 542783789 is 987387245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542783789 is a prime.

It is a super-2 number, since 2×542783789² = 589228483202393042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 542783789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542783783) 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, 60722 + ... + 69084.

It is an arithmetic number, because the mean of its divisors is an integer number (69555024).

Almost surely, 2^542783789 is an apocalyptic number.

It is an amenable number.

542783789 is a deficient number, since it is larger than the sum of its proper divisors (13656403).

542783789 is a wasteful number, since it uses less digits than its factorization.

542783789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9987.

The product of its digits is 3386880, while the sum is 53.

The square root of 542783789 is about 23297.7206825045. The cubic root of 542783789 is about 815.7222142734.

The spelling of 542783789 in words is "five hundred forty-two million, seven hundred eighty-three thousand, seven hundred eighty-nine".