97801097 has 2 divisors, whose sum is σ = 97801098. Its totient is φ = 97801096.

The previous prime is 97801087. The next prime is 97801127. The reversal of 97801097 is 79010879.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58813561 + 38987536 = 7669^2 + 6244^2 .

It is an emirp because it is prime and its reverse (79010879) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97801097 - 2²⁴ = 81023881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97801007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48900548 + 48900549.

It is an arithmetic number, because the mean of its divisors is an integer number (48900549).

Almost surely, 2^97801097 is an apocalyptic number.

It is an amenable number.

97801097 is a deficient number, since it is larger than the sum of its proper divisors (1).

97801097 is an equidigital number, since it uses as much as digits as its factorization.

97801097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 41.

The square root of 97801097 is about 9889.4437153967. The cubic root of 97801097 is about 460.7315031112.

The spelling of 97801097 in words is "ninety-seven million, eight hundred one thousand, ninety-seven".