97764311 has 2 divisors, whose sum is σ = 97764312. Its totient is φ = 97764310.

The previous prime is 97764299. The next prime is 97764313. The reversal of 97764311 is 11346779.

It is a strong prime.

It is an emirp because it is prime and its reverse (11346779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97764311 - 2²² = 93570007 is a prime.

Together with 97764313, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97764313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48882155 + 48882156.

It is an arithmetic number, because the mean of its divisors is an integer number (48882156).

Almost surely, 2^97764311 is an apocalyptic number.

97764311 is a deficient number, since it is larger than the sum of its proper divisors (1).

97764311 is an equidigital number, since it uses as much as digits as its factorization.

97764311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 38.

The square root of 97764311 is about 9887.5836785334. The cubic root of 97764311 is about 460.6737307719.

The spelling of 97764311 in words is "ninety-seven million, seven hundred sixty-four thousand, three hundred eleven".