870612346216451 has 4 divisors (see below), whose sum is σ = 870680559999192. Its totient is φ = 870544132433712.

The previous prime is 870612346216439. The next prime is 870612346216507. The reversal of 870612346216451 is 154612643216078.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-870612346216451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (870612346212451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34106872226 + ... + 34106897751.

It is an arithmetic number, because the mean of its divisors is an integer number (217670139999798).

Almost surely, 2^{870612346216451} is an apocalyptic number.

870612346216451 is a deficient number, since it is larger than the sum of its proper divisors (68213782741).

870612346216451 is a wasteful number, since it uses less digits than its factorization.

870612346216451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68213782740.

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 870612346216451 in words is "eight hundred seventy trillion, six hundred twelve billion, three hundred forty-six million, two hundred sixteen thousand, four hundred fifty-one".