28323016535 has 32 divisors (see below), whose sum is σ = 37231488000. Its totient is φ = 20513167360.

The previous prime is 28323016511. The next prime is 28323016543. The reversal of 28323016535 is 53561032382.

It is not a de Polignac number, because 28323016535 - 2¹² = 28323012439 is a prime.

It is a super-3 number, since 3×28323016535³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20718422 + ... + 20719788.

It is an arithmetic number, because the mean of its divisors is an integer number (1163484000).

Almost surely, 2^28323016535 is an apocalyptic number.

28323016535 is a deficient number, since it is larger than the sum of its proper divisors (8908471465).

28323016535 is a wasteful number, since it uses less digits than its factorization.

28323016535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 28323016535 in words is "twenty-eight billion, three hundred twenty-three million, sixteen thousand, five hundred thirty-five".