84272267 has 2 divisors, whose sum is σ = 84272268. Its totient is φ = 84272266.

The previous prime is 84272257. The next prime is 84272297. The reversal of 84272267 is 76227248.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84272267 - 2¹⁸ = 84010123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84272267.

It is not a weakly prime, because it can be changed into another prime (84272257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42136133 + 42136134.

It is an arithmetic number, because the mean of its divisors is an integer number (42136134).

Almost surely, 2^84272267 is an apocalyptic number.

84272267 is a deficient number, since it is larger than the sum of its proper divisors (1).

84272267 is an equidigital number, since it uses as much as digits as its factorization.

84272267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 38.

The square root of 84272267 is about 9179.9927559884. The cubic root of 84272267 is about 438.4245777014.

The spelling of 84272267 in words is "eighty-four million, two hundred seventy-two thousand, two hundred sixty-seven".