97711711 has 2 divisors, whose sum is σ = 97711712. Its totient is φ = 97711710.

The previous prime is 97711681. The next prime is 97711717. The reversal of 97711711 is 11711779.

It is a strong prime.

It is an emirp because it is prime and its reverse (11711779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97711711 - 2¹⁹ = 97187423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97711717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48855855 + 48855856.

It is an arithmetic number, because the mean of its divisors is an integer number (48855856).

Almost surely, 2^97711711 is an apocalyptic number.

97711711 is a deficient number, since it is larger than the sum of its proper divisors (1).

97711711 is an equidigital number, since it uses as much as digits as its factorization.

97711711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3087, while the sum is 34.

The square root of 97711711 is about 9884.9234190256. The cubic root of 97711711 is about 460.5910973957.

The spelling of 97711711 in words is "ninety-seven million, seven hundred eleven thousand, seven hundred eleven".