28418686059 has 4 divisors (see below), whose sum is σ = 37891581416. Its totient is φ = 18945790704.

The previous prime is 28418686013. The next prime is 28418686067. The reversal of 28418686059 is 95068681482.

It is a happy number.

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

It is not a de Polignac number, because 28418686059 - 2⁷ = 28418685931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28418682059) 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, 4736447674 + ... + 4736447679.

It is an arithmetic number, because the mean of its divisors is an integer number (9472895354).

Almost surely, 2^28418686059 is an apocalyptic number.

28418686059 is a deficient number, since it is larger than the sum of its proper divisors (9472895357).

28418686059 is an equidigital number, since it uses as much as digits as its factorization.

28418686059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9472895356.

The product of its (nonzero) digits is 6635520, while the sum is 57.

The spelling of 28418686059 in words is "twenty-eight billion, four hundred eighteen million, six hundred eighty-six thousand, fifty-nine".