3864747620000 has 120 divisors (see below), whose sum is σ = 9510625591236. Its totient is φ = 1545449216000.

The previous prime is 3864747619979. The next prime is 3864747620039. The reversal of 3864747620000 is 267474683.

It can be written as a sum of positive squares in 10 ways, for example, as 63542309776 + 3801205310224 = 252076^2 + 1949668^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 73513724 + ... + 73566276.

Almost surely, 2^{3864747620000} 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 3864747620000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4755312795618).

3864747620000 is an abundant number, since it is smaller than the sum of its proper divisors (5645877971236).

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

3864747620000 is an equidigital number, since it uses as much as digits as its factorization.

3864747620000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56260 (or 56237 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 47.

The spelling of 3864747620000 in words is "three trillion, eight hundred sixty-four billion, seven hundred forty-seven million, six hundred twenty thousand".