28100892712 has 32 divisors (see below), whose sum is σ = 54998326080. Its totient is φ = 13435079680.

The previous prime is 28100892667. The next prime is 28100892727. The reversal of 28100892712 is 21729800182.

It is a super-2 number, since 2×28100892712² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565512 + ... + 613192.

It is an arithmetic number, because the mean of its divisors is an integer number (1718697690).

Almost surely, 2^28100892712 is an apocalyptic number.

It is an amenable number.

28100892712 is a deficient number, since it is larger than the sum of its proper divisors (26897433368).

28100892712 is a wasteful number, since it uses less digits than its factorization.

28100892712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50913 (or 50909 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 40.

The spelling of 28100892712 in words is "twenty-eight billion, one hundred million, eight hundred ninety-two thousand, seven hundred twelve".