971272711 has 4 divisors (see below), whose sum is σ = 971336632. Its totient is φ = 971208792.

The previous prime is 971272703. The next prime is 971272763. The reversal of 971272711 is 117272179.

It is a happy number.

971272711 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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 971272711 - 2³ = 971272703 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 (971276711) 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, 5356 + ... + 44398.

It is an arithmetic number, because the mean of its divisors is an integer number (242834158).

Almost surely, 2^971272711 is an apocalyptic number.

971272711 is a deficient number, since it is larger than the sum of its proper divisors (63921).

971272711 is a wasteful number, since it uses less digits than its factorization.

971272711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63920.

The product of its digits is 12348, while the sum is 37.

The square root of 971272711 is about 31165.2484507985. The cubic root of 971272711 is about 990.3310497125.

The spelling of 971272711 in words is "nine hundred seventy-one million, two hundred seventy-two thousand, seven hundred eleven".