28182048988 has 12 divisors (see below), whose sum is σ = 49806889272. Its totient is φ = 13951509200.

The previous prime is 28182048977. The next prime is 28182048991. The reversal of 28182048988 is 88984028182.

It is a super-4 number, since 4×28182048988⁴ (a number of 43 digits) contains 4444 as substring.

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, 34878370 + ... + 34879177.

It is an arithmetic number, because the mean of its divisors is an integer number (4150574106).

Almost surely, 2^28182048988 is an apocalyptic number.

It is an amenable number.

28182048988 is a deficient number, since it is larger than the sum of its proper divisors (21624840284).

28182048988 is a wasteful number, since it uses less digits than its factorization.

28182048988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69757652 (or 69757650 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 58.

The spelling of 28182048988 in words is "twenty-eight billion, one hundred eighty-two million, forty-eight thousand, nine hundred eighty-eight".