28058336537 has 24 divisors (see below), whose sum is σ = 35681160960. Its totient is φ = 21817793760.

The previous prime is 28058336513. The next prime is 28058336573. The reversal of 28058336537 is 73563385082.

It is not a de Polignac number, because 28058336537 - 2⁶ = 28058336473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28058336597) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203843 + ... + 312519.

It is an arithmetic number, because the mean of its divisors is an integer number (1486715040).

Almost surely, 2^28058336537 is an apocalyptic number.

It is an amenable number.

28058336537 is a deficient number, since it is larger than the sum of its proper divisors (7622824423).

28058336537 is a wasteful number, since it uses less digits than its factorization.

28058336537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109181 (or 109174 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 28058336537 in words is "twenty-eight billion, fifty-eight million, three hundred thirty-six thousand, five hundred thirty-seven".