83471781548 has 6 divisors (see below), whose sum is σ = 146075617716. Its totient is φ = 41735890772.

The previous prime is 83471781529. The next prime is 83471781571. The reversal of 83471781548 is 84518717438.

It is a junction number, because it is equal to n+sod(n) for n = 83471781493 and 83471781502.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10433972690 + ... + 10433972697.

It is an arithmetic number, because the mean of its divisors is an integer number (24345936286).

Almost surely, 2^83471781548 is an apocalyptic number.

It is an amenable number.

83471781548 is a deficient number, since it is larger than the sum of its proper divisors (62603836168).

83471781548 is a wasteful number, since it uses less digits than its factorization.

83471781548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20867945391 (or 20867945389 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 56.

The spelling of 83471781548 in words is "eighty-three billion, four hundred seventy-one million, seven hundred eighty-one thousand, five hundred forty-eight".