3861825687004 has 6 divisors (see below), whose sum is σ = 6758194952264. Its totient is φ = 1930912843500.

The previous prime is 3861825687001. The next prime is 3861825687043. The reversal of 3861825687004 is 4007865281683.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3861825687004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861825687001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482728210872 + ... + 482728210879.

Almost surely, 2^{3861825687004} is an apocalyptic number.

It is an amenable number.

3861825687004 is a deficient number, since it is larger than the sum of its proper divisors (2896369265260).

3861825687004 is a wasteful number, since it uses less digits than its factorization.

3861825687004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965456421755 (or 965456421753 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 3861825687004 in words is "three trillion, eight hundred sixty-one billion, eight hundred twenty-five million, six hundred eighty-seven thousand, four".