28807969359 has 32 divisors (see below), whose sum is σ = 42589761984. Its totient is φ = 17207608320.

The previous prime is 28807969357. The next prime is 28807969363. The reversal of 28807969359 is 95396970882.

It is not a de Polignac number, because 28807969359 - 2¹ = 28807969357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28807969359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28807969357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269277 + ... + 360729.

It is an arithmetic number, because the mean of its divisors is an integer number (1330930062).

Almost surely, 2^28807969359 is an apocalyptic number.

28807969359 is a deficient number, since it is larger than the sum of its proper divisors (13781792625).

28807969359 is a wasteful number, since it uses less digits than its factorization.

28807969359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91707.

The product of its (nonzero) digits is 58786560, while the sum is 66.

The spelling of 28807969359 in words is "twenty-eight billion, eight hundred seven million, nine hundred sixty-nine thousand, three hundred fifty-nine".