873806796553 has 2 divisors, whose sum is σ = 873806796554. Its totient is φ = 873806796552.

The previous prime is 873806796523. The next prime is 873806796587. The reversal of 873806796553 is 355697608378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 857322290889 + 16484505664 = 925917^2 + 128392^2 .

It is a cyclic number.

It is not a de Polignac number, because 873806796553 - 2⁵ = 873806796521 is a prime.

It is not a weakly prime, because it can be changed into another prime (873806796523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436903398276 + 436903398277.

It is an arithmetic number, because the mean of its divisors is an integer number (436903398277).

Almost surely, 2^873806796553 is an apocalyptic number.

It is an amenable number.

873806796553 is a deficient number, since it is larger than the sum of its proper divisors (1).

873806796553 is an equidigital number, since it uses as much as digits as its factorization.

873806796553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 228614400, while the sum is 67.

The spelling of 873806796553 in words is "eight hundred seventy-three billion, eight hundred six million, seven hundred ninety-six thousand, five hundred fifty-three".