871658273760 has 48 divisors (see below), whose sum is σ = 2745723563856. Its totient is φ = 232442206208.

The previous prime is 871658273747. The next prime is 871658273789. The reversal of 871658273760 is 67372856178.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 871658273694 and 871658273703.

It is a congruent number.

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, 907976889 + ... + 907977848.

It is an arithmetic number, because the mean of its divisors is an integer number (57202574247).

Almost surely, 2^871658273760 is an apocalyptic number.

871658273760 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

871658273760 is an abundant number, since it is smaller than the sum of its proper divisors (1874065290096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

871658273760 is a wasteful number, since it uses less digits than its factorization.

871658273760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815954755 (or 1815954747 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 60.

The spelling of 871658273760 in words is "eight hundred seventy-one billion, six hundred fifty-eight million, two hundred seventy-three thousand, seven hundred sixty".