97761617 has 2 divisors, whose sum is σ = 97761618. Its totient is φ = 97761616.

The previous prime is 97761583. The next prime is 97761623. The reversal of 97761617 is 71616779.

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., 71639296 + 26122321 = 8464^2 + 5111^2 .

It is a cyclic number.

It is not a de Polignac number, because 97761617 - 2⁶ = 97761553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97761667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48880808 + 48880809.

It is an arithmetic number, because the mean of its divisors is an integer number (48880809).

Almost surely, 2^97761617 is an apocalyptic number.

It is an amenable number.

97761617 is a deficient number, since it is larger than the sum of its proper divisors (1).

97761617 is an equidigital number, since it uses as much as digits as its factorization.

97761617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 111132, while the sum is 44.

The square root of 97761617 is about 9887.4474461309. The cubic root of 97761617 is about 460.6694992809.

The spelling of 97761617 in words is "ninety-seven million, seven hundred sixty-one thousand, six hundred seventeen".