870672782723317 has 8 divisors (see below), whose sum is σ = 1019324233432512. Its totient is φ = 728088738165600.

The previous prime is 870672782723201. The next prime is 870672782723327. The reversal of 870672782723317 is 713327287276078.

It is a happy number.

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

It is not a de Polignac number, because 870672782723317 - 2²³ = 870672774334709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870672782723327) 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, 1516851537559 + ... + 1516851538132.

It is an arithmetic number, because the mean of its divisors is an integer number (127415529179064).

Almost surely, 2^{870672782723317} is an apocalyptic number.

It is an amenable number.

870672782723317 is a deficient number, since it is larger than the sum of its proper divisors (148651450709195).

870672782723317 is a wasteful number, since it uses less digits than its factorization.

870672782723317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033703075739.

The product of its (nonzero) digits is 464679936, while the sum is 70.

The spelling of 870672782723317 in words is "eight hundred seventy trillion, six hundred seventy-two billion, seven hundred eighty-two million, seven hundred twenty-three thousand, three hundred seventeen".