972764711 has 4 divisors (see below), whose sum is σ = 972846072. Its totient is φ = 972683352.

The previous prime is 972764699. The next prime is 972764747. The reversal of 972764711 is 117467279.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-972764711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972764411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18836 + ... + 47961.

It is an arithmetic number, because the mean of its divisors is an integer number (243211518).

Almost surely, 2^972764711 is an apocalyptic number.

972764711 is a deficient number, since it is larger than the sum of its proper divisors (81361).

972764711 is a wasteful number, since it uses less digits than its factorization.

972764711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81360.

The product of its digits is 148176, while the sum is 44.

The square root of 972764711 is about 31189.1761834134. The cubic root of 972764711 is about 990.8378823021.

The spelling of 972764711 in words is "nine hundred seventy-two million, seven hundred sixty-four thousand, seven hundred eleven".