28349680088 has 16 divisors (see below), whose sum is σ = 53157436080. Its totient is φ = 14174363808.

The previous prime is 28349680081. The next prime is 28349680091. The reversal of 28349680088 is 88008694382.

It is a super-2 number, since 2×28349680088² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28349680081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443645 + ... + 503507.

It is an arithmetic number, because the mean of its divisors is an integer number (3322339755).

Almost surely, 2^28349680088 is an apocalyptic number.

It is an amenable number.

28349680088 is a deficient number, since it is larger than the sum of its proper divisors (24807755992).

28349680088 is a wasteful number, since it uses less digits than its factorization.

28349680088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119066 (or 119062 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 56.

The spelling of 28349680088 in words is "twenty-eight billion, three hundred forty-nine million, six hundred eighty thousand, eighty-eight".