28986424516 has 27 divisors (see below), whose sum is σ = 59012931117. Its totient is φ = 12421731840.

The previous prime is 28986424499. The next prime is 28986424541. The reversal of 28986424516 is 61542468982.

The square root of 28986424516 is 170254.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6797342916 + 22189081600 = 82446^2 + 148960^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2377476 + ... + 2389636.

Almost surely, 2^28986424516 is an apocalyptic number.

28986424516 is the 170254-th square number.

It is an amenable number.

28986424516 is an abundant number, since it is smaller than the sum of its proper divisors (30026506601).

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

28986424516 is an frugal number, since it uses more digits than its factorization.

28986424516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24340 (or 12170 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 55.

The spelling of 28986424516 in words is "twenty-eight billion, nine hundred eighty-six million, four hundred twenty-four thousand, five hundred sixteen".