975667667171 has 2 divisors, whose sum is σ = 975667667172. Its totient is φ = 975667667170.

The previous prime is 975667667167. The next prime is 975667667311. The reversal of 975667667171 is 171766766579.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 975667667171 - 2² = 975667667167 is a prime.

It is a super-2 number, since 2×975667667171² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (975667667101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487833833585 + 487833833586.

It is an arithmetic number, because the mean of its divisors is an integer number (487833833586).

Almost surely, 2^975667667171 is an apocalyptic number.

975667667171 is a deficient number, since it is larger than the sum of its proper divisors (1).

975667667171 is an equidigital number, since it uses as much as digits as its factorization.

975667667171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 140026320, while the sum is 68.

The spelling of 975667667171 in words is "nine hundred seventy-five billion, six hundred sixty-seven million, six hundred sixty-seven thousand, one hundred seventy-one".