71871813884046 has 48 divisors (see below), whose sum is σ = 159475822313472. Its totient is φ = 21575792306640.

The previous prime is 71871813884033. The next prime is 71871813884077. The reversal of 71871813884046 is 64048831817817.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 462525070 + ... + 462680433.

It is an arithmetic number, because the mean of its divisors is an integer number (3322412964864).

Almost surely, 2^{71871813884046} is an apocalyptic number.

71871813884046 is an abundant number, since it is smaller than the sum of its proper divisors (87604008429426).

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

71871813884046 is a wasteful number, since it uses less digits than its factorization.

71871813884046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925205637 (or 925205626 counting only the distinct ones).

The product of its (nonzero) digits is 57802752, while the sum is 66.

The spelling of 71871813884046 in words is "seventy-one trillion, eight hundred seventy-one billion, eight hundred thirteen million, eight hundred eighty-four thousand, forty-six".