995547983922 has 18 divisors (see below), whose sum is σ = 2157029803773. Its totient is φ = 331847916912.

The previous prime is 995547983893. The next prime is 995547983923. The reversal of 995547983922 is 229389745599.

995547983922 is a `hidden beast` number, since 9 + 9 + 55 + 479 + 83 + 9 + 22 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 958027906521 + 37520077401 = 978789^2 + 193701^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=705531.

It is a super-2 number, since 2×995547983922² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (995547983923) 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 8 ways as a sum of consecutive naturals, for example, 4115598 + ... + 4350774.

Almost surely, 2^995547983922 is an apocalyptic number.

995547983922 is an abundant number, since it is smaller than the sum of its proper divisors (1161481819851).

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

995547983922 is an frugal number, since it uses more digits than its factorization.

995547983922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470362 (or 235182 counting only the distinct ones).

The product of its digits is 440899200, while the sum is 72.

Multiplying 995547983922 by its sum of digits (72), we get a square (71679454842384 = 8466372²).

The spelling of 995547983922 in words is "nine hundred ninety-five billion, five hundred forty-seven million, nine hundred eighty-three thousand, nine hundred twenty-two".