28792882810 has 36 divisors (see below), whose sum is σ = 54201749742. Its totient is φ = 11011685344.

The previous prime is 28792882799. The next prime is 28792882819. The reversal of 28792882810 is 1828829782.

It can be written as a sum of positive squares in 3 ways, for example, as 18961565401 + 9831317409 = 137701^2 + 99153^2 .

It is a super-2 number, since 2×28792882810² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28792882819) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12340404 + ... + 12342736.

Almost surely, 2^28792882810 is an apocalyptic number.

28792882810 is a deficient number, since it is larger than the sum of its proper divisors (25408866932).

28792882810 is an frugal number, since it uses more digits than its factorization.

28792882810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4719 (or 2363 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 55.

The spelling of 28792882810 in words is "twenty-eight billion, seven hundred ninety-two million, eight hundred eighty-two thousand, eight hundred ten".