873087331 has 2 divisors, whose sum is σ = 873087332. Its totient is φ = 873087330.

The previous prime is 873087323. The next prime is 873087349. The reversal of 873087331 is 133780378.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 873087331 - 2³ = 873087323 is a prime.

It is a super-2 number, since 2×873087331² = 1524562975105407122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (873087301) 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 as a sum of consecutive naturals, namely, 436543665 + 436543666.

It is an arithmetic number, because the mean of its divisors is an integer number (436543666).

Almost surely, 2^873087331 is an apocalyptic number.

873087331 is a deficient number, since it is larger than the sum of its proper divisors (1).

873087331 is an equidigital number, since it uses as much as digits as its factorization.

873087331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 873087331 is about 29548.0512216965. The cubic root of 873087331 is about 955.7681678909.

The spelling of 873087331 in words is "eight hundred seventy-three million, eighty-seven thousand, three hundred thirty-one".