3873145512784 has 20 divisors (see below), whose sum is σ = 7512493129984. Its totient is φ = 1934437608288.

The previous prime is 3873145512763. The next prime is 3873145512829. The reversal of 3873145512784 is 4872155413783.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133431792 + ... + 133460815.

Almost surely, 2^{3873145512784} is an apocalyptic number.

It is an amenable number.

3873145512784 is a deficient number, since it is larger than the sum of its proper divisors (3639347617200).

3873145512784 is a wasteful number, since it uses less digits than its factorization.

3873145512784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266893522 (or 266893516 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 58.

Subtracting 3873145512784 from its reverse (4872155413783), we obtain a palindrome (999009900999).

The spelling of 3873145512784 in words is "three trillion, eight hundred seventy-three billion, one hundred forty-five million, five hundred twelve thousand, seven hundred eighty-four".