28980026516 has 12 divisors (see below), whose sum is σ = 57960053088. Its totient is φ = 12420011352.

The previous prime is 28980026501. The next prime is 28980026533. The reversal of 28980026516 is 61562008982.

28980026516 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517500446 + ... + 517500501.

It is an arithmetic number, because the mean of its divisors is an integer number (4830004424).

Almost surely, 2^28980026516 is an apocalyptic number.

It is an amenable number.

28980026516 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28980026516 is a wasteful number, since it uses less digits than its factorization.

28980026516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035000958 (or 1035000956 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 28980026516 in words is "twenty-eight billion, nine hundred eighty million, twenty-six thousand, five hundred sixteen".