84971267 has 2 divisors, whose sum is σ = 84971268. Its totient is φ = 84971266.

The previous prime is 84971233. The next prime is 84971291. The reversal of 84971267 is 76217948.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84971267 - 2¹² = 84967171 is a prime.

It is not a weakly prime, because it can be changed into another prime (84971207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42485633 + 42485634.

It is an arithmetic number, because the mean of its divisors is an integer number (42485634).

Almost surely, 2^84971267 is an apocalyptic number.

84971267 is a deficient number, since it is larger than the sum of its proper divisors (1).

84971267 is an equidigital number, since it uses as much as digits as its factorization.

84971267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 44.

The square root of 84971267 is about 9217.9860598723. The cubic root of 84971267 is about 439.6334188453.

The spelling of 84971267 in words is "eighty-four million, nine hundred seventy-one thousand, two hundred sixty-seven".