3967851488 has 96 divisors (see below), whose sum is σ = 8191282176. Its totient is φ = 1890459648.

The previous prime is 3967851487. The next prime is 3967851497. The reversal of 3967851488 is 8841587693.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3967851487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17792945 + ... + 17793167.

It is an arithmetic number, because the mean of its divisors is an integer number (85325856).

Almost surely, 2^3967851488 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 3967851488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4095641088).

3967851488 is an abundant number, since it is smaller than the sum of its proper divisors (4223430688).

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

3967851488 is a wasteful number, since it uses less digits than its factorization.

3967851488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 528 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 59.

The square root of 3967851488 is about 62990.8841658855. The cubic root of 3967851488 is about 1583.1368924699.

The spelling of 3967851488 in words is "three billion, nine hundred sixty-seven million, eight hundred fifty-one thousand, four hundred eighty-eight".