39784939852 has 18 divisors (see below), whose sum is σ = 80990770812. Its totient is φ = 17050688424.

The previous prime is 39784939847. The next prime is 39784939889. The reversal of 39784939852 is 25893948793.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101491998 + ... + 101492389.

Almost surely, 2^39784939852 is an apocalyptic number.

It is an amenable number.

39784939852 is an abundant number, since it is smaller than the sum of its proper divisors (41205830960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39784939852 is a wasteful number, since it uses less digits than its factorization.

39784939852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202984405 (or 202984396 counting only the distinct ones).

The product of its digits is 117573120, while the sum is 67.

The spelling of 39784939852 in words is "thirty-nine billion, seven hundred eighty-four million, nine hundred thirty-nine thousand, eight hundred fifty-two".