28061276391036 has 72 divisors (see below), whose sum is σ = 81852957315584. Its totient is φ = 7939667653920.

The previous prime is 28061276391019. The next prime is 28061276391073. The reversal of 28061276391036 is 63019367216082.

28061276391036 is a `hidden beast` number, since 2 + 8 + 0 + 612 + 7 + 6 + 3 + 9 + 10 + 3 + 6 = 666.

It is a super-2 number, since 2×28061276391036² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 540528760 + ... + 540580671.

Almost surely, 2^{28061276391036} is an apocalyptic number.

It is an amenable number.

28061276391036 is an abundant number, since it is smaller than the sum of its proper divisors (53791680924548).

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

28061276391036 is a wasteful number, since it uses less digits than its factorization.

28061276391036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081109551 (or 1081109546 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 28061276391036 in words is "twenty-eight trillion, sixty-one billion, two hundred seventy-six million, three hundred ninety-one thousand, thirty-six".