28819342554 has 16 divisors (see below), whose sum is σ = 59044507200. Its totient is φ = 9372143840.

The previous prime is 28819342537. The next prime is 28819342561. The reversal of 28819342554 is 45524391882.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 28819342497 and 28819342506.

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, 58575654 + ... + 58576145.

It is an arithmetic number, because the mean of its divisors is an integer number (3690281700).

Almost surely, 2^28819342554 is an apocalyptic number.

28819342554 is an abundant number, since it is smaller than the sum of its proper divisors (30225164646).

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

28819342554 is a wasteful number, since it uses less digits than its factorization.

28819342554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117151845.

The product of its digits is 2764800, while the sum is 51.

The spelling of 28819342554 in words is "twenty-eight billion, eight hundred nineteen million, three hundred forty-two thousand, five hundred fifty-four".