84276481 has 2 divisors, whose sum is σ = 84276482. Its totient is φ = 84276480.

The previous prime is 84276473. The next prime is 84276539. The reversal of 84276481 is 18467248.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83905600 + 370881 = 9160^2 + 609^2 .

It is a cyclic number.

It is not a de Polignac number, because 84276481 - 2³ = 84276473 is a prime.

It is a super-2 number, since 2×84276481² = 14205050499486722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84276281) by changing a digit.

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 as a sum of consecutive naturals, namely, 42138240 + 42138241.

It is an arithmetic number, because the mean of its divisors is an integer number (42138241).

Almost surely, 2^84276481 is an apocalyptic number.

It is an amenable number.

84276481 is a deficient number, since it is larger than the sum of its proper divisors (1).

84276481 is an equidigital number, since it uses as much as digits as its factorization.

84276481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86016, while the sum is 40.

The square root of 84276481 is about 9180.2222739975. Note that the first 4 decimals coincide. The cubic root of 84276481 is about 438.4318853264.

The spelling of 84276481 in words is "eighty-four million, two hundred seventy-six thousand, four hundred eighty-one".