870063009 has 32 divisors (see below), whose sum is σ = 1264273920. Its totient is φ = 530073600.

The previous prime is 870062981. The next prime is 870063011. The reversal of 870063009 is 900360078.

It is a happy number.

It is not a de Polignac number, because 870063009 - 2¹² = 870058913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (870063059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 498879 + ... + 500619.

It is an arithmetic number, because the mean of its divisors is an integer number (39508560).

Almost surely, 2^870063009 is an apocalyptic number.

It is an amenable number.

870063009 is a deficient number, since it is larger than the sum of its proper divisors (394210911).

870063009 is a wasteful number, since it uses less digits than its factorization.

870063009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 870063009 is about 29496.8304907493. The cubic root of 870063009 is about 954.6633167125.

The spelling of 870063009 in words is "eight hundred seventy million, sixty-three thousand, nine".