870009450 has 48 divisors (see below), whose sum is σ = 2193017376. Its totient is φ = 228196800.

The previous prime is 870009409. The next prime is 870009461. The reversal of 870009450 is 54900078.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 38392 + ... + 56691.

It is an arithmetic number, because the mean of its divisors is an integer number (45687862).

Almost surely, 2^870009450 is an apocalyptic number.

870009450 is an abundant number, since it is smaller than the sum of its proper divisors (1323007926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

870009450 is a wasteful number, since it uses less digits than its factorization.

870009450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95159 (or 95154 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 870009450 is about 29495.9225995730. The cubic root of 870009450 is about 954.6437273796.

The spelling of 870009450 in words is "eight hundred seventy million, nine thousand, four hundred fifty".