39787121234968 has 16 divisors (see below), whose sum is σ = 74808654138000. Its totient is φ = 19838146798176.

The previous prime is 39787121234963. The next prime is 39787121234983. The reversal of 39787121234968 is 86943212178793.

It is a super-2 number, since 2×39787121234968² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 39787121234897 and 39787121234906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39787121234963) 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, 6926724363 + ... + 6926730106.

It is an arithmetic number, because the mean of its divisors is an integer number (4675540883625).

Almost surely, 2^{39787121234968} is an apocalyptic number.

It is an amenable number.

39787121234968 is a deficient number, since it is larger than the sum of its proper divisors (35021532903032).

39787121234968 is a wasteful number, since it uses less digits than its factorization.

39787121234968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13853454834 (or 13853454830 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 70.

The spelling of 39787121234968 in words is "thirty-nine trillion, seven hundred eighty-seven billion, one hundred twenty-one million, two hundred thirty-four thousand, nine hundred sixty-eight".