28303734086 has 8 divisors (see below), whose sum is σ = 42473743824. Its totient is φ = 14145819480.

The previous prime is 28303734083. The next prime is 28303734127. The reversal of 28303734086 is 68043730382.

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

It is a super-2 number, since 2×28303734086² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28303734083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3017930 + ... + 3027293.

It is an arithmetic number, because the mean of its divisors is an integer number (5309217978).

Almost surely, 2^28303734086 is an apocalyptic number.

28303734086 is a deficient number, since it is larger than the sum of its proper divisors (14170009738).

28303734086 is a wasteful number, since it uses less digits than its factorization.

28303734086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6047566.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 28303734086 in words is "twenty-eight billion, three hundred three million, seven hundred thirty-four thousand, eighty-six".