28308696350 has 24 divisors (see below), whose sum is σ = 57440919528. Its totient is φ = 10294071200.

The previous prime is 28308696341. The next prime is 28308696397. The reversal of 28308696350 is 5369680382.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Curzon number.

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 11 ways as a sum of consecutive naturals, for example, 25734629 + ... + 25735728.

It is an arithmetic number, because the mean of its divisors is an integer number (2393371647).

Almost surely, 2^28308696350 is an apocalyptic number.

28308696350 is an abundant number, since it is smaller than the sum of its proper divisors (29132223178).

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

28308696350 is a wasteful number, since it uses less digits than its factorization.

28308696350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51470380 (or 51470375 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 28308696350 in words is "twenty-eight billion, three hundred eight million, six hundred ninety-six thousand, three hundred fifty".