3878537286 has 64 divisors (see below), whose sum is σ = 8638156800. Its totient is φ = 1152904320.

The previous prime is 3878537281. The next prime is 3878537287. The reversal of 3878537286 is 6827358783.

3878537286 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 Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3878537281) 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, 1989040 + ... + 1990988.

It is an arithmetic number, because the mean of its divisors is an integer number (134971200).

Almost surely, 2^3878537286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3878537286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4319078400).

3878537286 is an abundant number, since it is smaller than the sum of its proper divisors (4759619514).

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

3878537286 is a wasteful number, since it uses less digits than its factorization.

3878537286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821.

The product of its digits is 13547520, while the sum is 57.

The square root of 3878537286 is about 62277.9036737750. The cubic root of 3878537286 is about 1571.1681146834.

The spelling of 3878537286 in words is "three billion, eight hundred seventy-eight million, five hundred thirty-seven thousand, two hundred eighty-six".