28325998950 has 96 divisors (see below), whose sum is σ = 74624985600. Its totient is φ = 7090312320.

The previous prime is 28325998913. The next prime is 28325998973. The reversal of 28325998950 is 5989952382.

It is a super-2 number, since 2×28325998950² (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 (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 265059 + ... + 356241.

It is an arithmetic number, because the mean of its divisors is an integer number (777343600).

Almost surely, 2^28325998950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28325998950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37312492800).

28325998950 is an abundant number, since it is smaller than the sum of its proper divisors (46298986650).

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

28325998950 is a wasteful number, since it uses less digits than its factorization.

28325998950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91326 (or 91321 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 60.

The spelling of 28325998950 in words is "twenty-eight billion, three hundred twenty-five million, nine hundred ninety-eight thousand, nine hundred fifty".