9984785042 has 8 divisors (see below), whose sum is σ = 14978383500. Its totient is φ = 4991990544.

The previous prime is 9984785011. The next prime is 9984785051. The reversal of 9984785042 is 2405874899.

It can be written as a sum of positive squares in 2 ways, for example, as 8412741841 + 1572043201 = 91721^2 + 39649^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168917 + ... + 220232.

Almost surely, 2^9984785042 is an apocalyptic number.

9984785042 is a deficient number, since it is larger than the sum of its proper divisors (4993598458).

9984785042 is a wasteful number, since it uses less digits than its factorization.

9984785042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401980.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The square root of 9984785042 is about 99923.8962510970. The cubic root of 9984785042 is about 2153.3414809625.

The spelling of 9984785042 in words is "nine billion, nine hundred eighty-four million, seven hundred eighty-five thousand, forty-two".