28133177351 has 16 divisors (see below), whose sum is σ = 29050358400. Its totient is φ = 27230880768.

The previous prime is 28133177299. The next prime is 28133177357. The reversal of 28133177351 is 15377133182.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28133177351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28133177299 and 28133177308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28133177357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7907465 + ... + 7911021.

It is an arithmetic number, because the mean of its divisors is an integer number (1815647400).

Almost surely, 2^28133177351 is an apocalyptic number.

28133177351 is a deficient number, since it is larger than the sum of its proper divisors (917181049).

28133177351 is a wasteful number, since it uses less digits than its factorization.

28133177351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5578.

The product of its digits is 105840, while the sum is 41.

The spelling of 28133177351 in words is "twenty-eight billion, one hundred thirty-three million, one hundred seventy-seven thousand, three hundred fifty-one".