33787890852 has 12 divisors (see below), whose sum is σ = 78838412016. Its totient is φ = 11262630280.

The previous prime is 33787890827. The next prime is 33787890863. The reversal of 33787890852 is 25809878733.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×33787890852² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1407828774 + ... + 1407828797.

It is an arithmetic number, because the mean of its divisors is an integer number (6569867668).

Almost surely, 2^33787890852 is an apocalyptic number.

It is an amenable number.

33787890852 is an abundant number, since it is smaller than the sum of its proper divisors (45050521164).

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

33787890852 is a wasteful number, since it uses less digits than its factorization.

33787890852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815657578 (or 2815657576 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 60.

The spelling of 33787890852 in words is "thirty-three billion, seven hundred eighty-seven million, eight hundred ninety thousand, eight hundred fifty-two".