71988799116375 has 64 divisors (see below), whose sum is σ = 134742492443520. Its totient is φ = 38394026049600.

The previous prime is 71988799116371. The next prime is 71988799116389. The reversal of 71988799116375 is 57361199788917.

71988799116375 is a `hidden beast` number, since 7 + 1 + 9 + 88 + 79 + 91 + 16 + 375 = 666.

It is not a de Polignac number, because 71988799116375 - 2² = 71988799116371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a junction number, because it is equal to n+sod(n) for n = 71988799116294 and 71988799116303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71988799116371) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 131393382 + ... + 131940131.

It is an arithmetic number, because the mean of its divisors is an integer number (2105351444430).

Almost surely, 2^{71988799116375} is an apocalyptic number.

71988799116375 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

71988799116375 is a deficient number, since it is larger than the sum of its proper divisors (62753693327145).

71988799116375 is an frugal number, since it uses more digits than its factorization.

71988799116375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263333549 (or 263333521 counting only the distinct ones).

The product of its digits is 1440270720, while the sum is 81.

The spelling of 71988799116375 in words is "seventy-one trillion, nine hundred eighty-eight billion, seven hundred ninety-nine million, one hundred sixteen thousand, three hundred seventy-five".