2028007869 has 8 divisors (see below), whose sum is σ = 2711379840. Its totient is φ = 1348320576.

The previous prime is 2028007867. The next prime is 2028007871. The reversal of 2028007869 is 9687008202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2028007867) and next prime (2028007871).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2028007869 - 2¹ = 2028007867 is a prime.

It is a super-2 number, since 2×2028007869² = 8225631833451842322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2028007869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028007867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919884 + ... + 922085.

It is an arithmetic number, because the mean of its divisors is an integer number (338922480).

Almost surely, 2^2028007869 is an apocalyptic number.

It is an amenable number.

2028007869 is a deficient number, since it is larger than the sum of its proper divisors (683371971).

2028007869 is a wasteful number, since it uses less digits than its factorization.

2028007869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842339.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 2028007869 is about 45033.4083653458. The cubic root of 2028007869 is about 1265.7750917575.

The spelling of 2028007869 in words is "two billion, twenty-eight million, seven thousand, eight hundred sixty-nine".