28988435296 has 48 divisors (see below), whose sum is σ = 61473420288. Its totient is φ = 13416796800.

The previous prime is 28988435279. The next prime is 28988435297. The reversal of 28988435296 is 69253488982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28988435297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612450 + ... + 658081.

It is an arithmetic number, because the mean of its divisors is an integer number (1280696256).

Almost surely, 2^28988435296 is an apocalyptic number.

It is an amenable number.

28988435296 is an abundant number, since it is smaller than the sum of its proper divisors (32484984992).

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

28988435296 is a wasteful number, since it uses less digits than its factorization.

28988435296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270595 (or 1270587 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 64.

The spelling of 28988435296 in words is "twenty-eight billion, nine hundred eighty-eight million, four hundred thirty-five thousand, two hundred ninety-six".