28160144783 has 8 divisors (see below), whose sum is σ = 29538349056. Its totient is φ = 26794761400.

The previous prime is 28160144731. The next prime is 28160144807. The reversal of 28160144783 is 38744106182.

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

It is a cyclic number.

It is not a de Polignac number, because 28160144783 - 2²² = 28155950479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28160144723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3200723 + ... + 3209508.

It is an arithmetic number, because the mean of its divisors is an integer number (3692293632).

Almost surely, 2^28160144783 is an apocalyptic number.

28160144783 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

28160144783 is a deficient number, since it is larger than the sum of its proper divisors (1378204273).

28160144783 is a wasteful number, since it uses less digits than its factorization.

28160144783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6410445.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 28160144783 in words is "twenty-eight billion, one hundred sixty million, one hundred forty-four thousand, seven hundred eighty-three".