97761361 has 2 divisors, whose sum is σ = 97761362. Its totient is φ = 97761360.

The previous prime is 97761319. The next prime is 97761397. The reversal of 97761361 is 16316779.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79995136 + 17766225 = 8944^2 + 4215^2 .

It is an emirp because it is prime and its reverse (16316779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97761361 - 2⁹ = 97760849 is a prime.

It is not a weakly prime, because it can be changed into another prime (97761311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48880680 + 48880681.

It is an arithmetic number, because the mean of its divisors is an integer number (48880681).

Almost surely, 2^97761361 is an apocalyptic number.

It is an amenable number.

97761361 is a deficient number, since it is larger than the sum of its proper divisors (1).

97761361 is an equidigital number, since it uses as much as digits as its factorization.

97761361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 40.

The square root of 97761361 is about 9887.4345004152. The cubic root of 97761361 is about 460.6690971752.

The spelling of 97761361 in words is "ninety-seven million, seven hundred sixty-one thousand, three hundred sixty-one".