870158109 has 8 divisors (see below), whose sum is σ = 1160806752. Its totient is φ = 579807440.

The previous prime is 870158089. The next prime is 870158117. The reversal of 870158109 is 901851078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 870158109 - 2⁵ = 870158077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870156109) 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 7 ways as a sum of consecutive naturals, for example, 67587 + ... + 79424.

It is an arithmetic number, because the mean of its divisors is an integer number (145100844).

Almost surely, 2^870158109 is an apocalyptic number.

It is an amenable number.

870158109 is a deficient number, since it is larger than the sum of its proper divisors (290648643).

870158109 is a wasteful number, since it uses less digits than its factorization.

870158109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148987.

The product of its (nonzero) digits is 20160, while the sum is 39.

The square root of 870158109 is about 29498.4424843075. The cubic root of 870158109 is about 954.6980977851.

The spelling of 870158109 in words is "eight hundred seventy million, one hundred fifty-eight thousand, one hundred nine".