28989459376 has 40 divisors (see below), whose sum is σ = 57569618880. Its totient is φ = 14135015424.

The previous prime is 28989459311. The next prime is 28989459403. The reversal of 28989459376 is 67395498982.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138720 + ... + 277888.

It is an arithmetic number, because the mean of its divisors is an integer number (1439240472).

Almost surely, 2^28989459376 is an apocalyptic number.

It is an amenable number.

28989459376 is a deficient number, since it is larger than the sum of its proper divisors (28580159504).

28989459376 is a wasteful number, since it uses less digits than its factorization.

28989459376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139501 (or 139495 counting only the distinct ones).

The product of its digits is 235146240, while the sum is 70.

The spelling of 28989459376 in words is "twenty-eight billion, nine hundred eighty-nine million, four hundred fifty-nine thousand, three hundred seventy-six".