71788010112 has 192 divisors, whose sum is σ = 254249573760. Its totient is φ = 18933073920.

The previous prime is 71788010111. The next prime is 71788010123. The reversal of 71788010112 is 21101088717.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×71788010112² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (71788010111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237564 + ... + 447227.

It is an arithmetic number, because the mean of its divisors is an integer number (1324216530).

Almost surely, 2^71788010112 is an apocalyptic number.

71788010112 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

71788010112 is an abundant number, since it is smaller than the sum of its proper divisors (182461563648).

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

71788010112 is a wasteful number, since it uses less digits than its factorization.

71788010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684831 (or 684816 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 36.

Adding to 71788010112 its reverse (21101088717), we get a palindrome (92889098829).

The spelling of 71788010112 in words is "seventy-one billion, seven hundred eighty-eight million, ten thousand, one hundred twelve".