33287381082 has 40 divisors (see below), whose sum is σ = 75995738676. Its totient is φ = 10886436288.

The previous prime is 33287381081. The next prime is 33287381087. The reversal of 33287381082 is 28018378233.

It can be written as a sum of positive squares in 2 ways, for example, as 32989093641 + 298287441 = 181629^2 + 17271^2 .

It is a super-2 number, since 2×33287381082² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33287381081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1929883 + ... + 1947054.

Almost surely, 2^33287381082 is an apocalyptic number.

33287381082 is an abundant number, since it is smaller than the sum of its proper divisors (42708357594).

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

33287381082 is a wasteful number, since it uses less digits than its factorization.

33287381082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3877004 (or 3876995 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 33287381082 in words is "thirty-three billion, two hundred eighty-seven million, three hundred eighty-one thousand, eighty-two".