3862864512 has 256 divisors, whose sum is σ = 12392755200. Its totient is φ = 1177473024.

The previous prime is 3862864477. The next prime is 3862864531. The reversal of 3862864512 is 2154682683.

3862864512 is a `hidden beast` number, since 3 + 8 + 628 + 6 + 4 + 5 + 12 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5705518 + ... + 5706194.

It is an arithmetic number, because the mean of its divisors is an integer number (48409200).

Almost surely, 2^3862864512 is an apocalyptic number.

3862864512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3862864512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6196377600).

3862864512 is an abundant number, since it is smaller than the sum of its proper divisors (8529890688).

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

3862864512 is a wasteful number, since it uses less digits than its factorization.

3862864512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 822 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 3862864512 is about 62151.9469686992. The cubic root of 3862864512 is about 1569.0489475789.

The spelling of 3862864512 in words is "three billion, eight hundred sixty-two million, eight hundred sixty-four thousand, five hundred twelve".