873087345 has 24 divisors (see below), whose sum is σ = 1629764136. Its totient is φ = 429827328.

The previous prime is 873087331. The next prime is 873087349. The reversal of 873087345 is 543780378.

It can be written as a sum of positive squares in 4 ways, for example, as 62204769 + 810882576 = 7887^2 + 28476^2 .

It is not a de Polignac number, because 873087345 - 2¹⁰ = 873086321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 873087345.

It is not an unprimeable number, because it can be changed into a prime (873087349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 745644 + ... + 746813.

It is an arithmetic number, because the mean of its divisors is an integer number (67906839).

Almost surely, 2^873087345 is an apocalyptic number.

It is an amenable number.

873087345 is a deficient number, since it is larger than the sum of its proper divisors (756676791).

873087345 is a wasteful number, since it uses less digits than its factorization.

873087345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492481 (or 1492478 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 873087345 is about 29548.0514585988. The cubic root of 873087345 is about 955.7681729995.

The spelling of 873087345 in words is "eight hundred seventy-three million, eighty-seven thousand, three hundred forty-five".