28358135708 has 24 divisors (see below), whose sum is σ = 56721702912. Its totient is φ = 12152322864.

The previous prime is 28358135699. The next prime is 28358135711. The reversal of 28358135708 is 80753185382.

It is a super-2 number, since 2×28358135708² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290741 + ... + 375827.

It is an arithmetic number, because the mean of its divisors is an integer number (2363404288).

Almost surely, 2^28358135708 is an apocalyptic number.

28358135708 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28358135708 is an abundant number, since it is smaller than the sum of its proper divisors (28363567204).

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

28358135708 is a wasteful number, since it uses less digits than its factorization.

28358135708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97001 (or 96999 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 28358135708 in words is "twenty-eight billion, three hundred fifty-eight million, one hundred thirty-five thousand, seven hundred eight".