870843425 has 24 divisors (see below), whose sum is σ = 1093447872. Its totient is φ = 687960000.

The previous prime is 870843419. The next prime is 870843443. The reversal of 870843425 is 524348078.

It is not a de Polignac number, because 870843425 - 2¹² = 870839329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 743090 + ... + 744260.

It is an arithmetic number, because the mean of its divisors is an integer number (45560328).

Almost surely, 2^870843425 is an apocalyptic number.

It is an amenable number.

870843425 is a deficient number, since it is larger than the sum of its proper divisors (222604447).

870843425 is a wasteful number, since it uses less digits than its factorization.

870843425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529 (or 1524 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 870843425 is about 29510.0563367812. The cubic root of 870843425 is about 954.9486645834.

It can be divided in two parts, 87084 and 3425, that added together give a palindrome (90509).

The spelling of 870843425 in words is "eight hundred seventy million, eight hundred forty-three thousand, four hundred twenty-five".