28321353934 has 8 divisors (see below), whose sum is σ = 43469985240. Its totient is φ = 13831358856.

The previous prime is 28321353883. The next prime is 28321353941. The reversal of 28321353934 is 43935312382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164658949 + ... + 164659120.

It is an arithmetic number, because the mean of its divisors is an integer number (5433748155).

Almost surely, 2^28321353934 is an apocalyptic number.

28321353934 is a deficient number, since it is larger than the sum of its proper divisors (15148631306).

28321353934 is a wasteful number, since it uses less digits than its factorization.

28321353934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329318114.

The product of its digits is 466560, while the sum is 43.

The spelling of 28321353934 in words is "twenty-eight billion, three hundred twenty-one million, three hundred fifty-three thousand, nine hundred thirty-four".