28874245361 has 16 divisors (see below), whose sum is σ = 31171930944. Its totient is φ = 26587600704.

The previous prime is 28874245349. The next prime is 28874245417. The reversal of 28874245361 is 16354247882.

It is a cyclic number.

It is not a de Polignac number, because 28874245361 - 2²² = 28870051057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28874245331) 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, 17054231 + ... + 17055923.

It is an arithmetic number, because the mean of its divisors is an integer number (1948245684).

Almost surely, 2^28874245361 is an apocalyptic number.

It is an amenable number.

28874245361 is a deficient number, since it is larger than the sum of its proper divisors (2297685583).

28874245361 is a wasteful number, since it uses less digits than its factorization.

28874245361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4160.

The product of its digits is 2580480, while the sum is 50.

The spelling of 28874245361 in words is "twenty-eight billion, eight hundred seventy-four million, two hundred forty-five thousand, three hundred sixty-one".