28599781794 has 16 divisors (see below), whose sum is σ = 57204130368. Its totient is φ = 9532499472.

The previous prime is 28599781789. The next prime is 28599781799. The reversal of 28599781794 is 49718799582.

It is an interprime number because it is at equal distance from previous prime (28599781789) and next prime (28599781799).

It is not an unprimeable number, because it can be changed into a prime (28599781799) 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, 105997 + ... + 261600.

It is an arithmetic number, because the mean of its divisors is an integer number (3575258148).

Almost surely, 2^28599781794 is an apocalyptic number.

28599781794 is an abundant number, since it is smaller than the sum of its proper divisors (28604348574).

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

28599781794 is a wasteful number, since it uses less digits than its factorization.

28599781794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380569.

The product of its digits is 91445760, while the sum is 69.

The spelling of 28599781794 in words is "twenty-eight billion, five hundred ninety-nine million, seven hundred eighty-one thousand, seven hundred ninety-four".