83656042722 has 54 divisors (see below), whose sum is σ = 210869025003. Its totient is φ = 23899272264.

The previous prime is 83656042663. The next prime is 83656042739. The reversal of 83656042722 is 22724065638.

83656042722 is a `hidden beast` number, since 8 + 36 + 5 + 604 + 2 + 7 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41828021361 + 41828021361 = 204519^2 + 204519^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=204519.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 8584929 + ... + 8594667.

Almost surely, 2^83656042722 is an apocalyptic number.

83656042722 is an abundant number, since it is smaller than the sum of its proper divisors (127212982281).

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

83656042722 is an frugal number, since it uses more digits than its factorization.

83656042722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19500 (or 9751 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 83656042722 in words is "eighty-three billion, six hundred fifty-six million, forty-two thousand, seven hundred twenty-two".