71884997850 has 48 divisors (see below), whose sum is σ = 179471325600. Its totient is φ = 19040673600.

The previous prime is 71884997843. The next prime is 71884997851. The reversal of 71884997850 is 5879948817.

It is not an unprimeable number, because it can be changed into a prime (71884997851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1585816 + ... + 1630515.

It is an arithmetic number, because the mean of its divisors is an integer number (3738985950).

Almost surely, 2^71884997850 is an apocalyptic number.

71884997850 is an abundant number, since it is smaller than the sum of its proper divisors (107586327750).

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

71884997850 is a wasteful number, since it uses less digits than its factorization.

71884997850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216495 (or 3216490 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 66.

The spelling of 71884997850 in words is "seventy-one billion, eight hundred eighty-four million, nine hundred ninety-seven thousand, eight hundred fifty".