873870493 has 2 divisors, whose sum is σ = 873870494. Its totient is φ = 873870492.

The previous prime is 873870469. The next prime is 873870559. The reversal of 873870493 is 394078378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 786970809 + 86899684 = 28053^2 + 9322^2 .

It is a cyclic number.

It is not a de Polignac number, because 873870493 - 2²⁹ = 336999581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (873870593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436935246 + 436935247.

It is an arithmetic number, because the mean of its divisors is an integer number (436935247).

Almost surely, 2^873870493 is an apocalyptic number.

It is an amenable number.

873870493 is a deficient number, since it is larger than the sum of its proper divisors (1).

873870493 is an equidigital number, since it uses as much as digits as its factorization.

873870493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 873870493 is about 29561.3005972335. The cubic root of 873870493 is about 956.0538581406.

The spelling of 873870493 in words is "eight hundred seventy-three million, eight hundred seventy thousand, four hundred ninety-three".