28390912020183 has 16 divisors (see below), whose sum is σ = 37903238472960. Its totient is φ = 18902934377664.

The previous prime is 28390912020179. The next prime is 28390912020221. The reversal of 28390912020183 is 38102021909382.

It is not a de Polignac number, because 28390912020183 - 2² = 28390912020179 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28390912020143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26463835 + ... + 27515747.

It is an arithmetic number, because the mean of its divisors is an integer number (2368952404560).

Almost surely, 2^{28390912020183} is an apocalyptic number.

28390912020183 is a deficient number, since it is larger than the sum of its proper divisors (9512326452777).

28390912020183 is a wasteful number, since it uses less digits than its factorization.

28390912020183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063478.

The product of its (nonzero) digits is 373248, while the sum is 48.

The spelling of 28390912020183 in words is "twenty-eight trillion, three hundred ninety billion, nine hundred twelve million, twenty thousand, one hundred eighty-three".