33780711068 has 24 divisors (see below), whose sum is σ = 63670864992. Its totient is φ = 15589329984.

The previous prime is 33780711011. The next prime is 33780711109. The reversal of 33780711068 is 86011708733.

It is a super-2 number, since 2×33780711068² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501146 + ... + 564542.

It is an arithmetic number, because the mean of its divisors is an integer number (2652952708).

Almost surely, 2^33780711068 is an apocalyptic number.

It is an amenable number.

33780711068 is a deficient number, since it is larger than the sum of its proper divisors (29890153924).

33780711068 is a wasteful number, since it uses less digits than its factorization.

33780711068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73661 (or 73659 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 33780711068 in words is "thirty-three billion, seven hundred eighty million, seven hundred eleven thousand, sixty-eight".