28936022068 has 96 divisors (see below), whose sum is σ = 55471288320. Its totient is φ = 13171382400.

The previous prime is 28936022057. The next prime is 28936022069. The reversal of 28936022068 is 86022063982.

It is a happy number.

It is a super-4 number, since 4×28936022068⁴ (a number of 43 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28936022069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25766155 + ... + 25767277.

It is an arithmetic number, because the mean of its divisors is an integer number (577825920).

Almost surely, 2^28936022068 is an apocalyptic number.

It is an amenable number.

28936022068 is a deficient number, since it is larger than the sum of its proper divisors (26535266252).

28936022068 is a wasteful number, since it uses less digits than its factorization.

28936022068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357 (or 1355 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 28936022068 in words is "twenty-eight billion, nine hundred thirty-six million, twenty-two thousand, sixty-eight".