97711871 has 2 divisors, whose sum is σ = 97711872. Its totient is φ = 97711870.

The previous prime is 97711853. The next prime is 97711879. The reversal of 97711871 is 17811779.

It is a strong prime.

It is an emirp because it is prime and its reverse (17811779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97711871 - 2¹⁴ = 97695487 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97711879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48855935 + 48855936.

It is an arithmetic number, because the mean of its divisors is an integer number (48855936).

Almost surely, 2^97711871 is an apocalyptic number.

97711871 is a deficient number, since it is larger than the sum of its proper divisors (1).

97711871 is an equidigital number, since it uses as much as digits as its factorization.

97711871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24696, while the sum is 41.

The square root of 97711871 is about 9884.9315121553. The cubic root of 97711871 is about 460.5913487970.

The spelling of 97711871 in words is "ninety-seven million, seven hundred eleven thousand, eight hundred seventy-one".