870641175787797 has 8 divisors (see below), whose sum is σ = 1160934037716960. Its totient is φ = 580387882191920.

The previous prime is 870641175787793. The next prime is 870641175787813. The reversal of 870641175787797 is 797787571146078.

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 870641175787797 - 2² = 870641175787793 is a prime.

It is a super-3 number, since 3×870641175787797³ (a number of 46 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870641175787793) 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, 9892031979 + ... + 9892119992.

It is an arithmetic number, because the mean of its divisors is an integer number (145116754714620).

Almost surely, 2^{870641175787797} is an apocalyptic number.

It is an amenable number.

870641175787797 is a deficient number, since it is larger than the sum of its proper divisors (290292861929163).

870641175787797 is a wasteful number, since it uses less digits than its factorization.

870641175787797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19784166643.

The product of its (nonzero) digits is 8131898880, while the sum is 84.

The spelling of 870641175787797 in words is "eight hundred seventy trillion, six hundred forty-one billion, one hundred seventy-five million, seven hundred eighty-seven thousand, seven hundred ninety-seven".