28877204759 has 4 divisors (see below), whose sum is σ = 31098528216. Its totient is φ = 26655881304.

The previous prime is 28877204753. The next prime is 28877204761. The reversal of 28877204759 is 95740277882.

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

It is not a de Polignac number, because 28877204759 - 2¹² = 28877200663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28877204698 and 28877204707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28877204753) 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, 1110661709 + ... + 1110661734.

It is an arithmetic number, because the mean of its divisors is an integer number (7774632054).

Almost surely, 2^28877204759 is an apocalyptic number.

28877204759 is a deficient number, since it is larger than the sum of its proper divisors (2221323457).

28877204759 is a wasteful number, since it uses less digits than its factorization.

28877204759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221323456.

The product of its (nonzero) digits is 15805440, while the sum is 59.

The spelling of 28877204759 in words is "twenty-eight billion, eight hundred seventy-seven million, two hundred four thousand, seven hundred fifty-nine".