84270876467 has 2 divisors, whose sum is σ = 84270876468. Its totient is φ = 84270876466.

The previous prime is 84270876457. The next prime is 84270876523. The reversal of 84270876467 is 76467807248.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84270876467 - 2¹⁶ = 84270810931 is a prime.

It is not a weakly prime, because it can be changed into another prime (84270876457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42135438233 + 42135438234.

It is an arithmetic number, because the mean of its divisors is an integer number (42135438234).

Almost surely, 2^84270876467 is an apocalyptic number.

84270876467 is a deficient number, since it is larger than the sum of its proper divisors (1).

84270876467 is an equidigital number, since it uses as much as digits as its factorization.

84270876467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25288704, while the sum is 59.

The spelling of 84270876467 in words is "eighty-four billion, two hundred seventy million, eight hundred seventy-six thousand, four hundred sixty-seven".