39797615794 has 8 divisors (see below), whose sum is σ = 59952632220. Its totient is φ = 19813405056.

The previous prime is 39797615789. The next prime is 39797615813. The reversal of 39797615794 is 49751679793.

It can be written as a sum of positive squares in 2 ways, for example, as 36038086569 + 3759529225 = 189837^2 + 61315^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42700839 + ... + 42701770.

Almost surely, 2^39797615794 is an apocalyptic number.

39797615794 is a deficient number, since it is larger than the sum of its proper divisors (20155016426).

39797615794 is a wasteful number, since it uses less digits than its factorization.

39797615794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85402844.

The product of its digits is 90016920, while the sum is 67.

The spelling of 39797615794 in words is "thirty-nine billion, seven hundred ninety-seven million, six hundred fifteen thousand, seven hundred ninety-four".