28773108162 has 12 divisors (see below), whose sum is σ = 62341734390. Its totient is φ = 9591036048.

The previous prime is 28773108131. The next prime is 28773108173. The reversal of 28773108162 is 26180137782.

It can be written as a sum of positive squares in only one way, i.e., 24310734561 + 4462373601 = 155919^2 + 66801^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 799252987 + ... + 799253022.

Almost surely, 2^28773108162 is an apocalyptic number.

28773108162 is an abundant number, since it is smaller than the sum of its proper divisors (33568626228).

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

28773108162 is a wasteful number, since it uses less digits than its factorization.

28773108162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598506017 (or 1598506014 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 28773108162 in words is "twenty-eight billion, seven hundred seventy-three million, one hundred eight thousand, one hundred sixty-two".