3897163776 has 288 divisors, whose sum is σ = 12230543808. Its totient is φ = 1090519040.

The previous prime is 3897163771. The next prime is 3897163789. The reversal of 3897163776 is 6773617983.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3897163771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73531366 + ... + 73531418.

It is an arithmetic number, because the mean of its divisors is an integer number (42467166).

Almost surely, 2^3897163776 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 3897163776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6115271904).

3897163776 is an abundant number, since it is smaller than the sum of its proper divisors (8333380032).

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

3897163776 is an equidigital number, since it uses as much as digits as its factorization.

3897163776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 86 counting only the distinct ones).

The product of its digits is 8001504, while the sum is 57.

The square root of 3897163776 is about 62427.2678883194. The cubic root of 3897163776 is about 1573.6792523571.

The spelling of 3897163776 in words is "three billion, eight hundred ninety-seven million, one hundred sixty-three thousand, seven hundred seventy-six".