71285893848 has 96 divisors (see below), whose sum is σ = 208327064400. Its totient is φ = 21890882304.

The previous prime is 71285893837. The next prime is 71285893901. The reversal of 71285893848 is 84839858217.

71285893848 is a `hidden beast` number, since 7 + 1 + 2 + 8 + 589 + 3 + 8 + 48 = 666.

It is a congruent number.

It is an unprimeable number.

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, 401611 + ... + 551237.

Almost surely, 2^71285893848 is an apocalyptic number.

71285893848 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71285893848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104163532200).

71285893848 is an abundant number, since it is smaller than the sum of its proper divisors (137041170552).

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

71285893848 is a wasteful number, since it uses less digits than its factorization.

71285893848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150161 (or 150154 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 63.

The spelling of 71285893848 in words is "seventy-one billion, two hundred eighty-five million, eight hundred ninety-three thousand, eight hundred forty-eight".