28988457303 has 32 divisors (see below), whose sum is σ = 42768637632. Its totient is φ = 17349120000.

The previous prime is 28988457293. The next prime is 28988457349. The reversal of 28988457303 is 30375488982.

It is not a de Polignac number, because 28988457303 - 2¹⁶ = 28988391767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28988457703) 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, 5770933 + ... + 5775953.

It is an arithmetic number, because the mean of its divisors is an integer number (1336519926).

Almost surely, 2^28988457303 is an apocalyptic number.

28988457303 is a deficient number, since it is larger than the sum of its proper divisors (13780180329).

28988457303 is a wasteful number, since it uses less digits than its factorization.

28988457303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9075.

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 28988457303 in words is "twenty-eight billion, nine hundred eighty-eight million, four hundred fifty-seven thousand, three hundred three".