28475452474466 has 8 divisors (see below), whose sum is σ = 42827691256284. Its totient is φ = 14199555389040.

The previous prime is 28475452474453. The next prime is 28475452474489. The reversal of 28475452474466 is 66447425457482.

It can be written as a sum of positive squares in 2 ways, for example, as 26189021185441 + 2286431289025 = 5117521^2 + 1512095^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28475452474396 and 28475452474405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19085423165 + ... + 19085424656.

Almost surely, 2^{28475452474466} is an apocalyptic number.

28475452474466 is a deficient number, since it is larger than the sum of its proper divisors (14352238781818).

28475452474466 is a wasteful number, since it uses less digits than its factorization.

28475452474466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38170848196.

The product of its digits is 1445068800, while the sum is 68.

The spelling of 28475452474466 in words is "twenty-eight trillion, four hundred seventy-five billion, four hundred fifty-two million, four hundred seventy-four thousand, four hundred sixty-six".