871032072665612 has 96 divisors (see below), whose sum is σ = 1896987766411584. Its totient is φ = 343815004569600.

The previous prime is 871032072665593. The next prime is 871032072665653. The reversal of 871032072665612 is 216566270230178.

It is a super-2 number, since 2×871032072665612² (a number of 31 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1431428 + ... + 41762580.

It is an arithmetic number, because the mean of its divisors is an integer number (19760289233454).

Almost surely, 2^{871032072665612} is an apocalyptic number.

It is an amenable number.

871032072665612 is an abundant number, since it is smaller than the sum of its proper divisors (1025955693745972).

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

871032072665612 is a wasteful number, since it uses less digits than its factorization.

871032072665612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40333419 (or 40333417 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 871032072665612 in words is "eight hundred seventy-one trillion, thirty-two billion, seventy-two million, six hundred sixty-five thousand, six hundred twelve".