28820759092 has 24 divisors (see below), whose sum is σ = 50688647240. Its totient is φ = 14338391040.

The previous prime is 28820759089. The next prime is 28820759101. The reversal of 28820759092 is 29095702882.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19722270096 + 9098488996 = 140436^2 + 95386^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1180384 + ... + 1204552.

Almost surely, 2^28820759092 is an apocalyptic number.

It is an amenable number.

28820759092 is a deficient number, since it is larger than the sum of its proper divisors (21867888148).

28820759092 is a wasteful number, since it uses less digits than its factorization.

28820759092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25651 (or 25649 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 28820759092 in words is "twenty-eight billion, eight hundred twenty million, seven hundred fifty-nine thousand, ninety-two".