28883602431 has 8 divisors (see below), whose sum is σ = 42790522160. Its totient is φ = 19255734936.

The previous prime is 28883602393. The next prime is 28883602453. The reversal of 28883602431 is 13420638882.

28883602431 is a `hidden beast` number, since 2 + 8 + 8 + 8 + 3 + 602 + 4 + 31 = 666.

It is not a de Polignac number, because 28883602431 - 2¹⁰ = 28883601407 is a prime.

It is a super-2 number, since 2×28883602431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28883602471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534881500 + ... + 534881553.

It is an arithmetic number, because the mean of its divisors is an integer number (5348815270).

Almost surely, 2^28883602431 is an apocalyptic number.

28883602431 is a deficient number, since it is larger than the sum of its proper divisors (13906919729).

28883602431 is a wasteful number, since it uses less digits than its factorization.

28883602431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069763062 (or 1069763056 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 28883602431 in words is "twenty-eight billion, eight hundred eighty-three million, six hundred two thousand, four hundred thirty-one".