83544281504072 has 32 divisors (see below), whose sum is σ = 161728006406400. Its totient is φ = 40417303080000.

The previous prime is 83544281504051. The next prime is 83544281504137. The reversal of 83544281504072 is 27040518244538.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29254922 + ... + 31983417.

It is an arithmetic number, because the mean of its divisors is an integer number (5054000200200).

Almost surely, 2^{83544281504072} is an apocalyptic number.

It is an amenable number.

83544281504072 is a deficient number, since it is larger than the sum of its proper divisors (78183724902328).

83544281504072 is a wasteful number, since it uses less digits than its factorization.

83544281504072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61243877 (or 61243873 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 53.

The spelling of 83544281504072 in words is "eighty-three trillion, five hundred forty-four billion, two hundred eighty-one million, five hundred four thousand, seventy-two".