28063465458 has 16 divisors (see below), whose sum is σ = 64145064000. Its totient is φ = 8018132976.

The previous prime is 28063465429. The next prime is 28063465459. The reversal of 28063465458 is 85456436082.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28063465458.

It is not an unprimeable number, because it can be changed into a prime (28063465459) 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, 334088833 + ... + 334088916.

It is an arithmetic number, because the mean of its divisors is an integer number (4009066500).

Almost surely, 2^28063465458 is an apocalyptic number.

28063465458 is an abundant number, since it is smaller than the sum of its proper divisors (36081598542).

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

28063465458 is a wasteful number, since it uses less digits than its factorization.

28063465458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668177761.

The product of its (nonzero) digits is 5529600, while the sum is 51.

It can be divided in two parts, 28063 and 465458, that added together give a triangular number (493521 = T₉₉₃).

The spelling of 28063465458 in words is "twenty-eight billion, sixty-three million, four hundred sixty-five thousand, four hundred fifty-eight".