97172671 has 2 divisors, whose sum is σ = 97172672. Its totient is φ = 97172670.

The previous prime is 97172639. The next prime is 97172687. The reversal of 97172671 is 17627179.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97172671 - 2⁵ = 97172639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97172611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48586335 + 48586336.

It is an arithmetic number, because the mean of its divisors is an integer number (48586336).

Almost surely, 2^97172671 is an apocalyptic number.

97172671 is a deficient number, since it is larger than the sum of its proper divisors (1).

97172671 is an equidigital number, since it uses as much as digits as its factorization.

97172671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37044, while the sum is 40.

The square root of 97172671 is about 9857.6199460113. The cubic root of 97172671 is about 459.7425638939.

The spelling of 97172671 in words is "ninety-seven million, one hundred seventy-two thousand, six hundred seventy-one".