3897225704448 has 264 divisors, whose sum is σ = 11639864288000. Its totient is φ = 1254604308480.

The previous prime is 3897225704443. The next prime is 3897225704461. The reversal of 3897225704448 is 8444075227983.

It is a happy number.

3897225704448 is a `hidden beast` number, since 38 + 9 + 7 + 22 + 570 + 4 + 4 + 4 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897225704443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142548636 + ... + 142575972.

Almost surely, 2^{3897225704448} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3897225704448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5819932144000).

3897225704448 is an abundant number, since it is smaller than the sum of its proper divisors (7742638583552).

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

3897225704448 is a wasteful number, since it uses less digits than its factorization.

3897225704448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27893 (or 27872 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 63.

The spelling of 3897225704448 in words is "three trillion, eight hundred ninety-seven billion, two hundred twenty-five million, seven hundred four thousand, four hundred forty-eight".