28080022061 has 32 divisors (see below), whose sum is σ = 35446215168. Its totient is φ = 21653049600.

The previous prime is 28080022049. The next prime is 28080022097. The reversal of 28080022061 is 16022008082.

It is not a de Polignac number, because 28080022061 - 2¹⁴ = 28080005677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28080022001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 708995 + ... + 747551.

It is an arithmetic number, because the mean of its divisors is an integer number (1107694224).

Almost surely, 2^28080022061 is an apocalyptic number.

It is an amenable number.

28080022061 is a deficient number, since it is larger than the sum of its proper divisors (7366193107).

28080022061 is a wasteful number, since it uses less digits than its factorization.

28080022061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38781.

The product of its (nonzero) digits is 3072, while the sum is 29.

The spelling of 28080022061 in words is "twenty-eight billion, eighty million, twenty-two thousand, sixty-one".