84044972448 has 72 divisors (see below), whose sum is σ = 239131760868. Its totient is φ = 27999885312.

The previous prime is 84044972447. The next prime is 84044972467. The reversal of 84044972448 is 84427944048.

It can be written as a sum of positive squares in 2 ways, for example, as 72763983504 + 11280988944 = 269748^2 + 106212^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×84044972448² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84044972394 and 84044972403.

It is not an unprimeable number, because it can be changed into a prime (84044972447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 462840 + ... + 618312.

Almost surely, 2^84044972448 is an apocalyptic number.

It is an amenable number.

84044972448 is an abundant number, since it is smaller than the sum of its proper divisors (155086788420).

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

84044972448 is a wasteful number, since it uses less digits than its factorization.

84044972448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157366 (or 157355 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 54.

The spelling of 84044972448 in words is "eighty-four billion, forty-four million, nine hundred seventy-two thousand, four hundred forty-eight".