97680911 has 2 divisors, whose sum is σ = 97680912. Its totient is φ = 97680910.

The previous prime is 97680887. The next prime is 97680923. The reversal of 97680911 is 11908679.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97680911 - 2¹⁸ = 97418767 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97680811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48840455 + 48840456.

It is an arithmetic number, because the mean of its divisors is an integer number (48840456).

Almost surely, 2^97680911 is an apocalyptic number.

97680911 is a deficient number, since it is larger than the sum of its proper divisors (1).

97680911 is an equidigital number, since it uses as much as digits as its factorization.

97680911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 97680911 is about 9883.3653681325. The cubic root of 97680911 is about 460.5426975452.

The spelling of 97680911 in words is "ninety-seven million, six hundred eighty thousand, nine hundred eleven".