3870625668 has 96 divisors (see below), whose sum is σ = 11139824640. Its totient is φ = 1018604160.

The previous prime is 3870625663. The next prime is 3870625697. The reversal of 3870625668 is 8665260783.

3870625668 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3870625668.

It is not an unprimeable number, because it can be changed into a prime (3870625663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 532563 + ... + 539781.

It is an arithmetic number, because the mean of its divisors is an integer number (116039840).

Almost surely, 2^3870625668 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 3870625668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5569912320).

3870625668 is an abundant number, since it is smaller than the sum of its proper divisors (7269198972).

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

3870625668 is a wasteful number, since it uses less digits than its factorization.

3870625668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7737 (or 7735 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The square root of 3870625668 is about 62214.3525884502. The cubic root of 3870625668 is about 1570.0990738999.

The spelling of 3870625668 in words is "three billion, eight hundred seventy million, six hundred twenty-five thousand, six hundred sixty-eight".