28033850779 has 8 divisors (see below), whose sum is σ = 30885179760. Its totient is φ = 25232988000.

The previous prime is 28033850773. The next prime is 28033850813. The reversal of 28033850779 is 97705833082.

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

It is not a de Polignac number, because 28033850779 - 2¹⁹ = 28033326491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28033850773) 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, 12615384 + ... + 12617605.

It is an arithmetic number, because the mean of its divisors is an integer number (3860647470).

Almost surely, 2^28033850779 is an apocalyptic number.

28033850779 is a deficient number, since it is larger than the sum of its proper divisors (2851328981).

28033850779 is a wasteful number, since it uses less digits than its factorization.

28033850779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25233101.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 28033850779 in words is "twenty-eight billion, thirty-three million, eight hundred fifty thousand, seven hundred seventy-nine".