84776228 has 12 divisors (see below), whose sum is σ = 149217180. Its totient is φ = 42142752.

The previous prime is 84776191. The next prime is 84776231. The reversal of 84776228 is 82267748.

It can be written as a sum of positive squares in 2 ways, for example, as 82591744 + 2184484 = 9088^2 + 1478^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60563 + ... + 61946.

It is an arithmetic number, because the mean of its divisors is an integer number (12434765).

Almost surely, 2^84776228 is an apocalyptic number.

It is an amenable number.

84776228 is a deficient number, since it is larger than the sum of its proper divisors (64440952).

84776228 is a wasteful number, since it uses less digits than its factorization.

84776228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122686 (or 122684 counting only the distinct ones).

The product of its digits is 301056, while the sum is 44.

The square root of 84776228 is about 9207.4007189869. The cubic root of 84776228 is about 439.2967899483.

It can be divided in two parts, 8477 and 6228, that multiplied together give a square (52794756 = 7266²).

The spelling of 84776228 in words is "eighty-four million, seven hundred seventy-six thousand, two hundred twenty-eight".