28998623744 has 40 divisors (see below), whose sum is σ = 60459791040. Its totient is φ = 13868901376.

The previous prime is 28998623729. The next prime is 28998623761. The reversal of 28998623744 is 44732689982.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1219484 + ... + 1243035.

It is an arithmetic number, because the mean of its divisors is an integer number (1511494776).

Almost surely, 2^28998623744 is an apocalyptic number.

It is an amenable number.

28998623744 is an abundant number, since it is smaller than the sum of its proper divisors (31461167296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28998623744 is an equidigital number, since it uses as much as digits as its factorization.

28998623744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462560 (or 2462544 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 62.

The spelling of 28998623744 in words is "twenty-eight billion, nine hundred ninety-eight million, six hundred twenty-three thousand, seven hundred forty-four".