4087981828 has 12 divisors (see below), whose sum is σ = 8175963712. Its totient is φ = 1751992200.

The previous prime is 4087981817. The next prime is 4087981831. The reversal of 4087981828 is 8281897804.

4087981828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

4087981828 is an admirable number.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72999648 + ... + 72999703.

Almost surely, 2^4087981828 is an apocalyptic number.

It is an amenable number.

4087981828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4087981828 is a wasteful number, since it uses less digits than its factorization.

4087981828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145999362 (or 145999360 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 55.

The square root of 4087981828 is about 63937.3273448304. The cubic root of 4087981828 is about 1598.9552851928.

The spelling of 4087981828 in words is "four billion, eighty-seven million, nine hundred eighty-one thousand, eight hundred twenty-eight".