84081267 has 16 divisors (see below), whose sum is σ = 126917280. Its totient is φ = 54995616.

The previous prime is 84081247. The next prime is 84081271. The reversal of 84081267 is 76218048.

It is not a de Polignac number, because 84081267 - 2¹⁸ = 83819123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84081247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27948 + ... + 30809.

It is an arithmetic number, because the mean of its divisors is an integer number (7932330).

Almost surely, 2^84081267 is an apocalyptic number.

84081267 is a deficient number, since it is larger than the sum of its proper divisors (42836013).

84081267 is a wasteful number, since it uses less digits than its factorization.

84081267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58819 (or 58813 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 84081267 is about 9169.5837964435. The cubic root of 84081267 is about 438.0931027454.

It can be divided in two parts, 84081 and 267, that added together give a palindrome (84348).

The spelling of 84081267 in words is "eighty-four million, eighty-one thousand, two hundred sixty-seven".