3828268987 has 4 divisors (see below), whose sum is σ = 3844699560. Its totient is φ = 3811838416.

The previous prime is 3828268949. The next prime is 3828269021. The reversal of 3828268987 is 7898628283.

3828268987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3828268987 - 2¹⁹ = 3827744699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3828268907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8214937 + ... + 8215402.

It is an arithmetic number, because the mean of its divisors is an integer number (961174890).

Almost surely, 2^3828268987 is an apocalyptic number.

3828268987 is a deficient number, since it is larger than the sum of its proper divisors (16430573).

3828268987 is a wasteful number, since it uses less digits than its factorization.

3828268987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16430572.

The product of its digits is 18579456, while the sum is 61.

The square root of 3828268987 is about 61873.0069335571. The cubic root of 3828268987 is about 1564.3507991999.

The spelling of 3828268987 in words is "three billion, eight hundred twenty-eight million, two hundred sixty-eight thousand, nine hundred eighty-seven".