870612138236831 has 8 divisors (see below), whose sum is σ = 916434381548400. Its totient is φ = 824789950107840.

The previous prime is 870612138236801. The next prime is 870612138236927. The reversal of 870612138236831 is 138632831216078.

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 870612138236831 - 2³⁴ = 870594958367647 is a prime.

It is a super-2 number, since 2×870612138236831² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870612138236801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20815091 + ... + 46631451.

It is an arithmetic number, because the mean of its divisors is an integer number (114554297693550).

Almost surely, 2^{870612138236831} is an apocalyptic number.

870612138236831 is a deficient number, since it is larger than the sum of its proper divisors (45822243311569).

870612138236831 is a wasteful number, since it uses less digits than its factorization.

870612138236831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27591289.

The product of its (nonzero) digits is 13934592, while the sum is 59.

The spelling of 870612138236831 in words is "eight hundred seventy trillion, six hundred twelve billion, one hundred thirty-eight million, two hundred thirty-six thousand, eight hundred thirty-one".