871620797715 has 8 divisors (see below), whose sum is σ = 1394593276368. Its totient is φ = 464864425440.

The previous prime is 871620797699. The next prime is 871620797741. The reversal of 871620797715 is 517797026178.

871620797715 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 871620797715 - 2⁴ = 871620797699 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29054026576 + ... + 29054026605.

It is an arithmetic number, because the mean of its divisors is an integer number (174324159546).

Almost surely, 2^871620797715 is an apocalyptic number.

871620797715 is a deficient number, since it is larger than the sum of its proper divisors (522972478653).

871620797715 is a wasteful number, since it uses less digits than its factorization.

871620797715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58108053189.

The product of its (nonzero) digits is 10372320, while the sum is 60.

The spelling of 871620797715 in words is "eight hundred seventy-one billion, six hundred twenty million, seven hundred ninety-seven thousand, seven hundred fifteen".