28230797718 has 24 divisors (see below), whose sum is σ = 61170387408. Its totient is φ = 9409702992.

The previous prime is 28230797671. The next prime is 28230797767. The reversal of 28230797718 is 81779703282.

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 11 ways as a sum of consecutive naturals, for example, 355780 + ... + 427832.

It is an arithmetic number, because the mean of its divisors is an integer number (2548766142).

Almost surely, 2^28230797718 is an apocalyptic number.

28230797718 is an abundant number, since it is smaller than the sum of its proper divisors (32939589690).

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

28230797718 is a wasteful number, since it uses less digits than its factorization.

28230797718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93828 (or 93825 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 54.

The spelling of 28230797718 in words is "twenty-eight billion, two hundred thirty million, seven hundred ninety-seven thousand, seven hundred eighteen".