28809718059 has 16 divisors (see below), whose sum is σ = 38470049280. Its totient is φ = 19177959840.

The previous prime is 28809718057. The next prime is 28809718079. The reversal of 28809718059 is 95081790882.

It is not a de Polignac number, because 28809718059 - 2¹ = 28809718057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28809718057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8454334 + ... + 8457740.

It is an arithmetic number, because the mean of its divisors is an integer number (2404378080).

Almost surely, 2^28809718059 is an apocalyptic number.

28809718059 is a deficient number, since it is larger than the sum of its proper divisors (9660331221).

28809718059 is a wasteful number, since it uses less digits than its factorization.

28809718059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6770.

The product of its (nonzero) digits is 2903040, while the sum is 57.

The spelling of 28809718059 in words is "twenty-eight billion, eight hundred nine million, seven hundred eighteen thousand, fifty-nine".