28283577609 has 16 divisors (see below), whose sum is σ = 44015781888. Its totient is φ = 15818170512.

The previous prime is 28283577587. The next prime is 28283577613. The reversal of 28283577609 is 90677538282.

It is not a de Polignac number, because 28283577609 - 2⁵ = 28283577577 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28283577659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14327067 + ... + 14329040.

It is an arithmetic number, because the mean of its divisors is an integer number (2750986368).

Almost surely, 2^28283577609 is an apocalyptic number.

It is an amenable number.

28283577609 is a deficient number, since it is larger than the sum of its proper divisors (15732204279).

28283577609 is a wasteful number, since it uses less digits than its factorization.

28283577609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28656164.

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 28283577609 in words is "twenty-eight billion, two hundred eighty-three million, five hundred seventy-seven thousand, six hundred nine".