28727939318 has 16 divisors (see below), whose sum is σ = 46409702976. Its totient is φ = 13258182720.

The previous prime is 28727939293. The next prime is 28727939329. The reversal of 28727939318 is 81393972782.

It is a super-4 number, since 4×28727939318⁴ (a number of 43 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547730 + ... + 597882.

It is an arithmetic number, because the mean of its divisors is an integer number (2900606436).

Almost surely, 2^28727939318 is an apocalyptic number.

28727939318 is a deficient number, since it is larger than the sum of its proper divisors (17681763658).

28727939318 is a wasteful number, since it uses less digits than its factorization.

28727939318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72199.

The product of its digits is 9144576, while the sum is 59.

The spelling of 28727939318 in words is "twenty-eight billion, seven hundred twenty-seven million, nine hundred thirty-nine thousand, three hundred eighteen".