33996968977 has 4 divisors (see below), whose sum is σ = 34006998016. Its totient is φ = 33986939940.

The previous prime is 33996968933. The next prime is 33996968981. The reversal of 33996968977 is 77986969933.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77986969933 = 13417 ⋅5812549.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33996968977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33996969977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5009433 + ... + 5016214.

It is an arithmetic number, because the mean of its divisors is an integer number (8501749504).

Almost surely, 2^33996968977 is an apocalyptic number.

It is an amenable number.

33996968977 is a deficient number, since it is larger than the sum of its proper divisors (10029039).

33996968977 is a wasteful number, since it uses less digits than its factorization.

33996968977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10029038.

The product of its digits is 833299488, while the sum is 76.

The spelling of 33996968977 in words is "thirty-three billion, nine hundred ninety-six million, nine hundred sixty-eight thousand, nine hundred seventy-seven".