97456079873 has 2 divisors, whose sum is σ = 97456079874. Its totient is φ = 97456079872.

The previous prime is 97456079863. The next prime is 97456079879. The reversal of 97456079873 is 37897065479.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75968038129 + 21488041744 = 275623^2 + 146588^2 .

It is a cyclic number.

It is not a de Polignac number, because 97456079873 - 2⁴ = 97456079857 is a prime.

It is a super-2 number, since 2×97456079873² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (97456079879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48728039936 + 48728039937.

It is an arithmetic number, because the mean of its divisors is an integer number (48728039937).

Almost surely, 2^97456079873 is an apocalyptic number.

It is an amenable number.

97456079873 is a deficient number, since it is larger than the sum of its proper divisors (1).

97456079873 is an equidigital number, since it uses as much as digits as its factorization.

97456079873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80015040, while the sum is 65.

The spelling of 97456079873 in words is "ninety-seven billion, four hundred fifty-six million, seventy-nine thousand, eight hundred seventy-three".