39876497868 has 12 divisors (see below), whose sum is σ = 93045161720. Its totient is φ = 13292165952.

The previous prime is 39876497867. The next prime is 39876497891. The reversal of 39876497868 is 86879467893.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 39876497868.

It is not an unprimeable number, because it can be changed into a prime (39876497867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1661520733 + ... + 1661520756.

Almost surely, 2^39876497868 is an apocalyptic number.

It is an amenable number.

39876497868 is an abundant number, since it is smaller than the sum of its proper divisors (53168663852).

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

39876497868 is a wasteful number, since it uses less digits than its factorization.

39876497868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3323041496 (or 3323041494 counting only the distinct ones).

The product of its digits is 877879296, while the sum is 75.

The spelling of 39876497868 in words is "thirty-nine billion, eight hundred seventy-six million, four hundred ninety-seven thousand, eight hundred sixty-eight".