33064172828 has 24 divisors (see below), whose sum is σ = 58201844064. Its totient is φ = 16435137600.

The previous prime is 33064172821. The next prime is 33064172887. The reversal of 33064172828 is 82827146033.

It is a super-3 number, since 3×33064172828³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33064172821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2825726 + ... + 2837402.

It is an arithmetic number, because the mean of its divisors is an integer number (2425076836).

Almost surely, 2^33064172828 is an apocalyptic number.

It is an amenable number.

33064172828 is a deficient number, since it is larger than the sum of its proper divisors (25137671236).

33064172828 is a wasteful number, since it uses less digits than its factorization.

33064172828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15773 (or 15771 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 33064172828 in words is "thirty-three billion, sixty-four million, one hundred seventy-two thousand, eight hundred twenty-eight".