71884998063 has 24 divisors (see below), whose sum is σ = 106460145792. Its totient is φ = 46715650128.

The previous prime is 71884998047. The next prime is 71884998071. The reversal of 71884998063 is 36089948817.

71884998063 is a `hidden beast` number, since 7 + 1 + 8 + 8 + 499 + 80 + 63 = 666.

It is not a de Polignac number, because 71884998063 - 2⁴ = 71884998047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71884994063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10020 + ... + 379302.

It is an arithmetic number, because the mean of its divisors is an integer number (4435839408).

Almost surely, 2^71884998063 is an apocalyptic number.

71884998063 is a deficient number, since it is larger than the sum of its proper divisors (34575147729).

71884998063 is a wasteful number, since it uses less digits than its factorization.

71884998063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369835 (or 369832 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 71884998063 in words is "seventy-one billion, eight hundred eighty-four million, nine hundred ninety-eight thousand, sixty-three".