28328352354 has 24 divisors (see below), whose sum is σ = 61717209372. Its totient is φ = 9390612960.

The previous prime is 28328352337. The next prime is 28328352361. The reversal of 28328352354 is 45325382382.

It can be written as a sum of positive squares in 2 ways, for example, as 26874684225 + 1453668129 = 163935^2 + 38127^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4344249 + ... + 4350764.

Almost surely, 2^28328352354 is an apocalyptic number.

28328352354 is an abundant number, since it is smaller than the sum of its proper divisors (33388857018).

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

28328352354 is a wasteful number, since it uses less digits than its factorization.

28328352354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8695202 (or 8695199 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 45.

The spelling of 28328352354 in words is "twenty-eight billion, three hundred twenty-eight million, three hundred fifty-two thousand, three hundred fifty-four".