873956497 has 2 divisors, whose sum is σ = 873956498. Its totient is φ = 873956496.

The previous prime is 873956491. The next prime is 873956549. The reversal of 873956497 is 794659378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 779303056 + 94653441 = 27916^2 + 9729^2 .

It is a cyclic number.

It is not a de Polignac number, because 873956497 - 2²³ = 865567889 is a prime.

It is a super-2 number, since 2×873956497² = 1527599917297022018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (873956491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436978248 + 436978249.

It is an arithmetic number, because the mean of its divisors is an integer number (436978249).

Almost surely, 2^873956497 is an apocalyptic number.

It is an amenable number.

873956497 is a deficient number, since it is larger than the sum of its proper divisors (1).

873956497 is an equidigital number, since it uses as much as digits as its factorization.

873956497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11430720, while the sum is 58.

The square root of 873956497 is about 29562.7552335705. The cubic root of 873956497 is about 956.0852212008.

The spelling of 873956497 in words is "eight hundred seventy-three million, nine hundred fifty-six thousand, four hundred ninety-seven".