97961711 has 2 divisors, whose sum is σ = 97961712. Its totient is φ = 97961710.

The previous prime is 97961671. The next prime is 97961723. The reversal of 97961711 is 11716979.

It is a strong prime.

It is an emirp because it is prime and its reverse (11716979) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97961711 - 2²⁶ = 30852847 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 (97961111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48980855 + 48980856.

It is an arithmetic number, because the mean of its divisors is an integer number (48980856).

Almost surely, 2^97961711 is an apocalyptic number.

97961711 is a deficient number, since it is larger than the sum of its proper divisors (1).

97961711 is an equidigital number, since it uses as much as digits as its factorization.

97961711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23814, while the sum is 41.

The square root of 97961711 is about 9897.5608611415. The cubic root of 97961711 is about 460.9835775084.

The spelling of 97961711 in words is "ninety-seven million, nine hundred sixty-one thousand, seven hundred eleven".