870157007 has 16 divisors (see below), whose sum is σ = 895551552. Its totient is φ = 845245440.

The previous prime is 870156983. The next prime is 870157033. The reversal of 870157007 is 700751078.

It is a cyclic number.

It is not a de Polignac number, because 870157007 - 2⁶ = 870156943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870757007) 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 15 ways as a sum of consecutive naturals, for example, 1669907 + ... + 1670427.

It is an arithmetic number, because the mean of its divisors is an integer number (55971972).

Almost surely, 2^870157007 is an apocalyptic number.

870157007 is a deficient number, since it is larger than the sum of its proper divisors (25394545).

870157007 is a wasteful number, since it uses less digits than its factorization.

870157007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898.

The product of its (nonzero) digits is 13720, while the sum is 35.

The square root of 870157007 is about 29498.4238053493. The cubic root of 870157007 is about 954.6976947634.

The spelling of 870157007 in words is "eight hundred seventy million, one hundred fifty-seven thousand, seven".