870865351 has 2 divisors, whose sum is σ = 870865352. Its totient is φ = 870865350.

The previous prime is 870865343. The next prime is 870865357. The reversal of 870865351 is 153568078.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 870865351 - 2³ = 870865343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 870865298 and 870865307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (870865357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435432675 + 435432676.

It is an arithmetic number, because the mean of its divisors is an integer number (435432676).

Almost surely, 2^870865351 is an apocalyptic number.

870865351 is a deficient number, since it is larger than the sum of its proper divisors (1).

870865351 is an equidigital number, since it uses as much as digits as its factorization.

870865351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 870865351 is about 29510.4278349196. The cubic root of 870865351 is about 954.9566790469.

The spelling of 870865351 in words is "eight hundred seventy million, eight hundred sixty-five thousand, three hundred fifty-one".