28379469543 has 8 divisors (see below), whose sum is σ = 37840186368. Its totient is φ = 18919199544.

The previous prime is 28379469539. The next prime is 28379469551. The reversal of 28379469543 is 34596497382.

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

It is not a de Polignac number, because 28379469543 - 2² = 28379469539 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28379469043) 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, 86980 + ... + 253622.

It is an arithmetic number, because the mean of its divisors is an integer number (4730023296).

Almost surely, 2^28379469543 is an apocalyptic number.

28379469543 is a deficient number, since it is larger than the sum of its proper divisors (9460716825).

28379469543 is a wasteful number, since it uses less digits than its factorization.

28379469543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223413.

The product of its digits is 39191040, while the sum is 60.

The spelling of 28379469543 in words is "twenty-eight billion, three hundred seventy-nine million, four hundred sixty-nine thousand, five hundred forty-three".