873309487 has 2 divisors, whose sum is σ = 873309488. Its totient is φ = 873309486.

The previous prime is 873309449. The next prime is 873309523. The reversal of 873309487 is 784903378.

873309487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-873309487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 873309487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (873309427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436654743 + 436654744.

It is an arithmetic number, because the mean of its divisors is an integer number (436654744).

Almost surely, 2^873309487 is an apocalyptic number.

873309487 is a deficient number, since it is larger than the sum of its proper divisors (1).

873309487 is an equidigital number, since it uses as much as digits as its factorization.

873309487 is an odious number, because the sum of its binary digits is odd.

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

The square root of 873309487 is about 29551.8102152812. The cubic root of 873309487 is about 955.8492256954.

The spelling of 873309487 in words is "eight hundred seventy-three million, three hundred nine thousand, four hundred eighty-seven".