870312337 has 2 divisors, whose sum is σ = 870312338. Its totient is φ = 870312336.

The previous prime is 870312329. The next prime is 870312397. The reversal of 870312337 is 733213078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 748077201 + 122235136 = 27351^2 + 11056^2 .

It is a cyclic number.

It is not a de Polignac number, because 870312337 - 2³ = 870312329 is a prime.

It is not a weakly prime, because it can be changed into another prime (870312397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435156168 + 435156169.

It is an arithmetic number, because the mean of its divisors is an integer number (435156169).

Almost surely, 2^870312337 is an apocalyptic number.

It is an amenable number.

870312337 is a deficient number, since it is larger than the sum of its proper divisors (1).

870312337 is an equidigital number, since it uses as much as digits as its factorization.

870312337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 870312337 is about 29501.0565404021. The cubic root of 870312337 is about 954.7544984470.

The spelling of 870312337 in words is "eight hundred seventy million, three hundred twelve thousand, three hundred thirty-seven".