33868120077 has 24 divisors (see below), whose sum is σ = 53438194368. Its totient is φ = 20499115200.

The previous prime is 33868120073. The next prime is 33868120079. The reversal of 33868120077 is 77002186833.

It is not a de Polignac number, because 33868120077 - 2² = 33868120073 is a prime.

It is a super-2 number, since 2×33868120077² (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 (33868120073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149433 + ... + 300110.

It is an arithmetic number, because the mean of its divisors is an integer number (2226591432).

Almost surely, 2^33868120077 is an apocalyptic number.

It is an amenable number.

33868120077 is a deficient number, since it is larger than the sum of its proper divisors (19570074291).

33868120077 is a wasteful number, since it uses less digits than its factorization.

33868120077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450321 (or 450318 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 33868120077 in words is "thirty-three billion, eight hundred sixty-eight million, one hundred twenty thousand, seventy-seven".