33287428876 has 12 divisors (see below), whose sum is σ = 62734000672. Its totient is φ = 15363428688.

The previous prime is 33287428859. The next prime is 33287428877. The reversal of 33287428876 is 67882478233.

It is a happy number.

It is a super-2 number, since 2×33287428876² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33287428876.

It is not an unprimeable number, because it can be changed into a prime (33287428877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320071380 + ... + 320071483.

Almost surely, 2^33287428876 is an apocalyptic number.

It is an amenable number.

33287428876 is a deficient number, since it is larger than the sum of its proper divisors (29446571796).

33287428876 is a wasteful number, since it uses less digits than its factorization.

33287428876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640142880 (or 640142878 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 58.

The spelling of 33287428876 in words is "thirty-three billion, two hundred eighty-seven million, four hundred twenty-eight thousand, eight hundred seventy-six".