870512342 has 12 divisors (see below), whose sum is σ = 1518955380. Its totient is φ = 373076676.

The previous prime is 870512323. The next prime is 870512347. The reversal of 870512342 is 243215078.

It is a junction number, because it is equal to n+sod(n) for n = 870512299 and 870512308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870512347) 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 in 5 ways as a sum of consecutive naturals, for example, 4441292 + ... + 4441487.

It is an arithmetic number, because the mean of its divisors is an integer number (126579615).

Almost surely, 2^870512342 is an apocalyptic number.

870512342 is a deficient number, since it is larger than the sum of its proper divisors (648443038).

870512342 is a wasteful number, since it uses less digits than its factorization.

870512342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8882795 (or 8882788 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 870512342 is about 29504.4461395228. The cubic root of 870512342 is about 954.8276296818.

The spelling of 870512342 in words is "eight hundred seventy million, five hundred twelve thousand, three hundred forty-two".