97707901 has 2 divisors, whose sum is σ = 97707902. Its totient is φ = 97707900.

The previous prime is 97707889. The next prime is 97707917. The reversal of 97707901 is 10970779.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87403801 + 10304100 = 9349^2 + 3210^2 .

It is an emirp because it is prime and its reverse (10970779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97707901 - 2⁷ = 97707773 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97707941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48853950 + 48853951.

It is an arithmetic number, because the mean of its divisors is an integer number (48853951).

Almost surely, 2^97707901 is an apocalyptic number.

It is an amenable number.

97707901 is a deficient number, since it is larger than the sum of its proper divisors (1).

97707901 is an equidigital number, since it uses as much as digits as its factorization.

97707901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27783, while the sum is 40.

The square root of 97707901 is about 9884.7306994172. The cubic root of 97707901 is about 460.5851108227.

It can be divided in two parts, 9770 and 7901, that added together give a palindrome (17671).

The spelling of 97707901 in words is "ninety-seven million, seven hundred seven thousand, nine hundred one".