33077590812 has 192 divisors, whose sum is σ = 104235264000. Its totient is φ = 8855184384.

The previous prime is 33077590723. The next prime is 33077590813. The reversal of 33077590812 is 21809577033.

It is a happy number.

It is a super-2 number, since 2×33077590812² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33077590813) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2937489 + ... + 2948727.

It is an arithmetic number, because the mean of its divisors is an integer number (542892000).

Almost surely, 2^33077590812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33077590812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52117632000).

33077590812 is an abundant number, since it is smaller than the sum of its proper divisors (71157673188).

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

33077590812 is a wasteful number, since it uses less digits than its factorization.

33077590812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11505 (or 11497 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 33077590812 in words is "thirty-three billion, seventy-seven million, five hundred ninety thousand, eight hundred twelve".