972833066779 has 4 divisors (see below), whose sum is σ = 1111809219184. Its totient is φ = 833856914376.

The previous prime is 972833066771. The next prime is 972833066813. The reversal of 972833066779 is 977660338279.

972833066779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 977660338279 = 661 ⋅1479062539.

It is a cyclic number.

It is not a de Polignac number, because 972833066779 - 2³ = 972833066771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (972833066771) 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, 69488076192 + ... + 69488076205.

It is an arithmetic number, because the mean of its divisors is an integer number (277952304796).

Almost surely, 2^972833066779 is an apocalyptic number.

972833066779 is a deficient number, since it is larger than the sum of its proper divisors (138976152405).

972833066779 is a wasteful number, since it uses less digits than its factorization.

972833066779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138976152404.

The product of its (nonzero) digits is 144027072, while the sum is 67.

The spelling of 972833066779 in words is "nine hundred seventy-two billion, eight hundred thirty-three million, sixty-six thousand, seven hundred seventy-nine".