97761113 has 2 divisors, whose sum is σ = 97761114. Its totient is φ = 97761112.

The previous prime is 97761091. The next prime is 97761127. The reversal of 97761113 is 31116779.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91450969 + 6310144 = 9563^2 + 2512^2 .

It is a cyclic number.

It is not a de Polignac number, because 97761113 - 2⁶ = 97761049 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (97761143) 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, 48880556 + 48880557.

It is an arithmetic number, because the mean of its divisors is an integer number (48880557).

Almost surely, 2^97761113 is an apocalyptic number.

It is an amenable number.

97761113 is a deficient number, since it is larger than the sum of its proper divisors (1).

97761113 is an equidigital number, since it uses as much as digits as its factorization.

97761113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938, while the sum is 35.

The square root of 97761113 is about 9887.4219592369. The cubic root of 97761113 is about 460.6687076347.

The spelling of 97761113 in words is "ninety-seven million, seven hundred sixty-one thousand, one hundred thirteen".