28763819292 has 48 divisors (see below), whose sum is σ = 72306501120. Its totient is φ = 8846954688.

The previous prime is 28763819291. The next prime is 28763819303. The reversal of 28763819292 is 29291836782.

It is a happy number.

It is a super-3 number, since 3×28763819292³ (a number of 32 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28763819291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380809 + ... + 450047.

It is an arithmetic number, because the mean of its divisors is an integer number (1506385440).

Almost surely, 2^28763819292 is an apocalyptic number.

It is an amenable number.

28763819292 is an abundant number, since it is smaller than the sum of its proper divisors (43542681828).

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

28763819292 is a wasteful number, since it uses less digits than its factorization.

28763819292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71922 (or 71920 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 57.

The spelling of 28763819292 in words is "twenty-eight billion, seven hundred sixty-three million, eight hundred nineteen thousand, two hundred ninety-two".