84476118722 has 6 divisors (see below), whose sum is σ = 126714794643. Its totient is φ = 42237853842.

The previous prime is 84476118677. The next prime is 84476118773. The reversal of 84476118722 is 22781167448.

It can be written as a sum of positive squares in only one way, i.e., 42238059361 + 42238059361 = 205519^2 + 205519^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=205519.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 308279 + ... + 513797.

Almost surely, 2^84476118722 is an apocalyptic number.

84476118722 is a deficient number, since it is larger than the sum of its proper divisors (42238675921).

84476118722 is an frugal number, since it uses more digits than its factorization.

84476118722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411040 (or 205521 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 50.

Multiplying 84476118722 by its sum of digits (50), we get a square (4223805936100 = 2055190²).

The spelling of 84476118722 in words is "eighty-four billion, four hundred seventy-six million, one hundred eighteen thousand, seven hundred twenty-two".