84672227648 has 14 divisors (see below), whose sum is σ = 168021451866. Its totient is φ = 42336113792.

The previous prime is 84672227581. The next prime is 84672227659.

84672227648 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 53679329344 + 30992898304 = 231688^2 + 176048^2 .

It is a super-2 number, since 2×84672227648² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84672227593 and 84672227602.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 661501715 + ... + 661501842.

Almost surely, 2^84672227648 is an apocalyptic number.

It is an amenable number.

84672227648 is a deficient number, since it is larger than the sum of its proper divisors (83349224218).

84672227648 is a wasteful number, since it uses less digits than its factorization.

84672227648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323003569 (or 1323003559 counting only the distinct ones).

The product of its digits is 14450688, while the sum is 56.

The spelling of 84672227648 in words is "eighty-four billion, six hundred seventy-two million, two hundred twenty-seven thousand, six hundred forty-eight".