971722059 has 32 divisors (see below), whose sum is σ = 1618735104. Its totient is φ = 503726880.

The previous prime is 971722021. The next prime is 971722079. The reversal of 971722059 is 950227179.

It is not a de Polignac number, because 971722059 - 2⁷ = 971721931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 971722059.

It is not an unprimeable number, because it can be changed into a prime (971722079) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112012 + ... + 120374.

It is an arithmetic number, because the mean of its divisors is an integer number (50585472).

Almost surely, 2^971722059 is an apocalyptic number.

971722059 is a deficient number, since it is larger than the sum of its proper divisors (647013045).

971722059 is a wasteful number, since it uses less digits than its factorization.

971722059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8887.

The product of its (nonzero) digits is 79380, while the sum is 42.

The square root of 971722059 is about 31172.4567366770. The cubic root of 971722059 is about 990.4837478731.

The spelling of 971722059 in words is "nine hundred seventy-one million, seven hundred twenty-two thousand, fifty-nine".