97331504873 has 2 divisors, whose sum is σ = 97331504874. Its totient is φ = 97331504872.

The previous prime is 97331504869. The next prime is 97331504891. The reversal of 97331504873 is 37840513379.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88843936489 + 8487568384 = 298067^2 + 92128^2 .

It is a cyclic number.

It is not a de Polignac number, because 97331504873 - 2² = 97331504869 is a prime.

It is a super-2 number, since 2×97331504873² (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 (97331504833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48665752436 + 48665752437.

It is an arithmetic number, because the mean of its divisors is an integer number (48665752437).

Almost surely, 2^97331504873 is an apocalyptic number.

It is an amenable number.

97331504873 is a deficient number, since it is larger than the sum of its proper divisors (1).

97331504873 is an equidigital number, since it uses as much as digits as its factorization.

97331504873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 97331504873 in words is "ninety-seven billion, three hundred thirty-one million, five hundred four thousand, eight hundred seventy-three".