870612138187018 has 8 divisors (see below), whose sum is σ = 1336288398147648. Its totient is φ = 425182672137804.

The previous prime is 870612138187003. The next prime is 870612138187069. The reversal of 870612138187018 is 810781831216078.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5061698477746 + ... + 5061698477917.

It is an arithmetic number, because the mean of its divisors is an integer number (167036049768456).

Almost surely, 2^{870612138187018} is an apocalyptic number.

870612138187018 is a deficient number, since it is larger than the sum of its proper divisors (465676259960630).

870612138187018 is a wasteful number, since it uses less digits than its factorization.

870612138187018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10123396955708.

The product of its (nonzero) digits is 7225344, while the sum is 61.

The spelling of 870612138187018 in words is "eight hundred seventy trillion, six hundred twelve billion, one hundred thirty-eight million, one hundred eighty-seven thousand, eighteen".