3967892896825 has 24 divisors (see below), whose sum is σ = 5780359783296. Its totient is φ = 2663760264000.

The previous prime is 3967892896819. The next prime is 3967892896837. The reversal of 3967892896825 is 5286982987693.

It is not a de Polignac number, because 3967892896825 - 2¹⁹ = 3967892372537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 554946481 + ... + 554953630.

It is an arithmetic number, because the mean of its divisors is an integer number (240848324304).

Almost surely, 2^{3967892896825} is an apocalyptic number.

It is an amenable number.

3967892896825 is a deficient number, since it is larger than the sum of its proper divisors (1812466886471).

3967892896825 is a wasteful number, since it uses less digits than its factorization.

3967892896825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109900145 (or 1109900140 counting only the distinct ones).

The product of its digits is 5643509760, while the sum is 82.

The spelling of 3967892896825 in words is "three trillion, nine hundred sixty-seven billion, eight hundred ninety-two million, eight hundred ninety-six thousand, eight hundred twenty-five".