971711112 has 32 divisors (see below), whose sum is σ = 2463497280. Its totient is φ = 319341120.

The previous prime is 971711101. The next prime is 971711113. The reversal of 971711112 is 211117179.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 971711112.

It is not an unprimeable number, because it can be changed into a prime (971711113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283423 + ... + 286830.

It is an arithmetic number, because the mean of its divisors is an integer number (76984290).

Almost surely, 2^971711112 is an apocalyptic number.

It is an amenable number.

971711112 is an abundant number, since it is smaller than the sum of its proper divisors (1491786168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

971711112 is a wasteful number, since it uses less digits than its factorization.

971711112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570333 (or 570329 counting only the distinct ones).

The product of its digits is 882, while the sum is 30.

The square root of 971711112 is about 31172.2811484819. The cubic root of 971711112 is about 990.4800284054.

The spelling of 971711112 in words is "nine hundred seventy-one million, seven hundred eleven thousand, one hundred twelve".