28108148058 has 24 divisors (see below), whose sum is σ = 64483399188. Its totient is φ = 8818242432.

The previous prime is 28108148011. The next prime is 28108148069. The reversal of 28108148058 is 85084180182.

It can be written as a sum of positive squares in 2 ways, for example, as 27493950969 + 614197089 = 165813^2 + 24783^2 .

It is a super-3 number, since 3×28108148058³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45928041 + ... + 45928652.

Almost surely, 2^28108148058 is an apocalyptic number.

28108148058 is an abundant number, since it is smaller than the sum of its proper divisors (36375251130).

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

28108148058 is a wasteful number, since it uses less digits than its factorization.

28108148058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91856718 (or 91856715 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 45.

The spelling of 28108148058 in words is "twenty-eight billion, one hundred eight million, one hundred forty-eight thousand, fifty-eight".