870615212683701 has 4 divisors (see below), whose sum is σ = 1160820283578272. Its totient is φ = 580410141789132.

The previous prime is 870615212683609. The next prime is 870615212683721. The reversal of 870615212683701 is 107386212516078.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-870615212683701 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 (870615212683721) 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, 145102535447281 + ... + 145102535447286.

It is an arithmetic number, because the mean of its divisors is an integer number (290205070894568).

Almost surely, 2^{870615212683701} is an apocalyptic number.

It is an amenable number.

870615212683701 is a deficient number, since it is larger than the sum of its proper divisors (290205070894571).

870615212683701 is a wasteful number, since it uses less digits than its factorization.

870615212683701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290205070894570.

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 870615212683701 in words is "eight hundred seventy trillion, six hundred fifteen billion, two hundred twelve million, six hundred eighty-three thousand, seven hundred one".