84776487476 has 12 divisors (see below), whose sum is σ = 148417073700. Its totient is φ = 42371609280.

The previous prime is 84776487473. The next prime is 84776487541. The reversal of 84776487476 is 67478467748.

It can be written as a sum of positive squares in 2 ways, for example, as 38325892900 + 46450594576 = 195770^2 + 215524^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84776487473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4147145 + ... + 4167536.

It is an arithmetic number, because the mean of its divisors is an integer number (12368089475).

Almost surely, 2^84776487476 is an apocalyptic number.

It is an amenable number.

84776487476 is a deficient number, since it is larger than the sum of its proper divisors (63640586224).

84776487476 is a wasteful number, since it uses less digits than its factorization.

84776487476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8317234 (or 8317232 counting only the distinct ones).

The product of its digits is 354041856, while the sum is 68.

The spelling of 84776487476 in words is "eighty-four billion, seven hundred seventy-six million, four hundred eighty-seven thousand, four hundred seventy-six".