807994193297 has 2 divisors, whose sum is σ = 807994193298. Its totient is φ = 807994193296.

The previous prime is 807994193273. The next prime is 807994193309. The reversal of 807994193297 is 792391499708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 510315924496 + 297678268801 = 714364^2 + 545599^2 .

It is a cyclic number.

It is not a de Polignac number, because 807994193297 - 2⁶ = 807994193233 is a prime.

It is a super-3 number, since 3×807994193297³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (807994192297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403997096648 + 403997096649.

It is an arithmetic number, because the mean of its divisors is an integer number (403997096649).

Almost surely, 2^807994193297 is an apocalyptic number.

It is an amenable number.

807994193297 is a deficient number, since it is larger than the sum of its proper divisors (1).

807994193297 is an equidigital number, since it uses as much as digits as its factorization.

807994193297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61725888, while the sum is 68.

The spelling of 807994193297 in words is "eight hundred seven billion, nine hundred ninety-four million, one hundred ninety-three thousand, two hundred ninety-seven".