3817788505412 has 24 divisors (see below), whose sum is σ = 8084728600704. Its totient is φ = 1539948304512.

The previous prime is 3817788505393. The next prime is 3817788505423. The reversal of 3817788505412 is 2145058877183.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4010281568 + ... + 4010282519.

It is an arithmetic number, because the mean of its divisors is an integer number (336863691696).

Almost surely, 2^{3817788505412} is an apocalyptic number.

It is an amenable number.

3817788505412 is an abundant number, since it is smaller than the sum of its proper divisors (4266940095292).

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

3817788505412 is a wasteful number, since it uses less digits than its factorization.

3817788505412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8020564115 (or 8020564113 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 59.

The spelling of 3817788505412 in words is "three trillion, eight hundred seventeen billion, seven hundred eighty-eight million, five hundred five thousand, four hundred twelve".