28298853177 has 32 divisors (see below), whose sum is σ = 43630313472. Its totient is φ = 15981014784.

The previous prime is 28298853139. The next prime is 28298853203. The reversal of 28298853177 is 77135889282.

It is not a de Polignac number, because 28298853177 - 2⁶ = 28298853113 is a prime.

It is a super-2 number, since 2×28298853177² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28298853177.

It is not an unprimeable number, because it can be changed into a prime (28298893177) 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, 806248 + ... + 840614.

It is an arithmetic number, because the mean of its divisors is an integer number (1363447296).

Almost surely, 2^28298853177 is an apocalyptic number.

It is an amenable number.

28298853177 is a deficient number, since it is larger than the sum of its proper divisors (15331460295).

28298853177 is a wasteful number, since it uses less digits than its factorization.

28298853177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34837.

The product of its digits is 13547520, while the sum is 60.

The spelling of 28298853177 in words is "twenty-eight billion, two hundred ninety-eight million, eight hundred fifty-three thousand, one hundred seventy-seven".