71782106916 has 96 divisors (see below), whose sum is σ = 186321200128. Its totient is φ = 21359738880.

The previous prime is 71782106897. The next prime is 71782106917. The reversal of 71782106916 is 61960128717.

It is not an unprimeable number, because it can be changed into a prime (71782106917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8589396 + ... + 8597748.

Almost surely, 2^71782106916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71782106916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93160600064).

71782106916 is an abundant number, since it is smaller than the sum of its proper divisors (114539093212).

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

71782106916 is a wasteful number, since it uses less digits than its factorization.

71782106916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10181 (or 10179 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 48.

The spelling of 71782106916 in words is "seventy-one billion, seven hundred eighty-two million, one hundred six thousand, nine hundred sixteen".