97961107 has 2 divisors, whose sum is σ = 97961108. Its totient is φ = 97961106.

The previous prime is 97961057. The next prime is 97961111. The reversal of 97961107 is 70116979.

It is a strong prime.

It is an emirp because it is prime and its reverse (70116979) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97961107 - 2¹⁹ = 97436819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97961107.

It is not a weakly prime, because it can be changed into another prime (97968107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48980553 + 48980554.

It is an arithmetic number, because the mean of its divisors is an integer number (48980554).

Almost surely, 2^97961107 is an apocalyptic number.

97961107 is a deficient number, since it is larger than the sum of its proper divisors (1).

97961107 is an equidigital number, since it uses as much as digits as its factorization.

97961107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 40.

The square root of 97961107 is about 9897.5303485263. The cubic root of 97961107 is about 460.9826300816.

The spelling of 97961107 in words is "ninety-seven million, nine hundred sixty-one thousand, one hundred seven".