84080247 has 4 divisors (see below), whose sum is σ = 112107000. Its totient is φ = 56053496.

The previous prime is 84080237. The next prime is 84080281. The reversal of 84080247 is 74208048.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84080247 - 2²² = 79885943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84080237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14013372 + ... + 14013377.

It is an arithmetic number, because the mean of its divisors is an integer number (28026750).

Almost surely, 2^84080247 is an apocalyptic number.

84080247 is a deficient number, since it is larger than the sum of its proper divisors (28026753).

84080247 is a wasteful number, since it uses less digits than its factorization.

84080247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28026752.

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 84080247 is about 9169.5281776109. The cubic root of 84080247 is about 438.0913312182.

The spelling of 84080247 in words is "eighty-four million, eighty thousand, two hundred forty-seven".