28330180838 has 8 divisors (see below), whose sum is σ = 42496039560. Its totient is φ = 14164834320.

The previous prime is 28330180807. The next prime is 28330180867. The reversal of 28330180838 is 83808103382.

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

It is a super-3 number, since 3×28330180838³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73973 + ... + 249263.

It is an arithmetic number, because the mean of its divisors is an integer number (5312004945).

Almost surely, 2^28330180838 is an apocalyptic number.

28330180838 is a deficient number, since it is larger than the sum of its proper divisors (14165858722).

28330180838 is a wasteful number, since it uses less digits than its factorization.

28330180838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256102.

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 28330180838 in words is "twenty-eight billion, three hundred thirty million, one hundred eighty thousand, eight hundred thirty-eight".