3875809536 has 81 divisors (see below), whose sum is σ = 11183537001. Its totient is φ = 1290940416.

The previous prime is 3875809529. The next prime is 3875809541. The reversal of 3875809536 is 6359085783.

It is a happy number.

The square root of 3875809536 is 62256.

It is a perfect power (a square), and thus also a powerful number.

3875809536 is a `hidden beast` number, since 3 + 8 + 7 + 580 + 9 + 53 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3863865600 + 11943936 = 62160^2 + 3456^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2987640 + ... + 2988936.

Almost surely, 2^3875809536 is an apocalyptic number.

3875809536 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

3875809536 is the 62256-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3875809536

3875809536 is an abundant number, since it is smaller than the sum of its proper divisors (7307727465).

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

3875809536 is an frugal number, since it uses more digits than its factorization.

3875809536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616 (or 1302 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The cubic root of 3875809536 is about 1570.7996975357.

The spelling of 3875809536 in words is "three billion, eight hundred seventy-five million, eight hundred nine thousand, five hundred thirty-six".