28360383828 has 24 divisors (see below), whose sum is σ = 75627690432. Its totient is φ = 8102966784.

The previous prime is 28360383811. The next prime is 28360383833. The reversal of 28360383828 is 82838306382.

It is a super-2 number, since 2×28360383828² (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 7 ways as a sum of consecutive naturals, for example, 168811725 + ... + 168811892.

It is an arithmetic number, because the mean of its divisors is an integer number (3151153768).

Almost surely, 2^28360383828 is an apocalyptic number.

28360383828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28360383828 is an abundant number, since it is smaller than the sum of its proper divisors (47267306604).

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

28360383828 is a wasteful number, since it uses less digits than its factorization.

28360383828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337623631 (or 337623629 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 28360383828 in words is "twenty-eight billion, three hundred sixty million, three hundred eighty-three thousand, eight hundred twenty-eight".