102304957897 has 2 divisors, whose sum is σ = 102304957898. Its totient is φ = 102304957896.

The previous prime is 102304957841. The next prime is 102304957903. The reversal of 102304957897 is 798759403201.

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., 73729083961 + 28575873936 = 271531^2 + 169044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102304957897 is a prime.

It is not a weakly prime, because it can be changed into another prime (102304957297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51152478948 + 51152478949.

It is an arithmetic number, because the mean of its divisors is an integer number (51152478949).

Almost surely, 2^102304957897 is an apocalyptic number.

It is an amenable number.

102304957897 is a deficient number, since it is larger than the sum of its proper divisors (1).

102304957897 is an equidigital number, since it uses as much as digits as its factorization.

102304957897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The spelling of 102304957897 in words is "one hundred two billion, three hundred four million, nine hundred fifty-seven thousand, eight hundred ninety-seven".