28317733074 has 24 divisors (see below), whose sum is σ = 61429131660. Its totient is φ = 9427853088.

The previous prime is 28317733049. The next prime is 28317733127. The reversal of 28317733074 is 47033771382.

28317733074 is a `hidden beast` number, since 2 + 83 + 177 + 330 + 74 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28178658225 + 139074849 = 167865^2 + 11793^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 933937 + ... + 963780.

Almost surely, 2^28317733074 is an apocalyptic number.

28317733074 is an abundant number, since it is smaller than the sum of its proper divisors (33111398586).

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

28317733074 is a wasteful number, since it uses less digits than its factorization.

28317733074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898554 (or 1898551 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 28317733074 in words is "twenty-eight billion, three hundred seventeen million, seven hundred thirty-three thousand, seventy-four".