28288473953482 has 16 divisors (see below), whose sum is σ = 42578652964680. Its totient is φ = 14095592173312.

The previous prime is 28288473953449. The next prime is 28288473953491. The reversal of 28288473953482 is 28435937488282.

It is a Cunningham number, because it is equal to 5318691²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 27145881849241 + 1142592104241 = 5210171^2 + 1068921^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22360878 + ... + 23592070.

Almost surely, 2^{28288473953482} is an apocalyptic number.

28288473953482 is a deficient number, since it is larger than the sum of its proper divisors (14290179011198).

28288473953482 is a wasteful number, since it uses less digits than its factorization.

28288473953482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270697.

The product of its digits is 1486356480, while the sum is 73.

The spelling of 28288473953482 in words is "twenty-eight trillion, two hundred eighty-eight billion, four hundred seventy-three million, nine hundred fifty-three thousand, four hundred eighty-two".