84276447 has 8 divisors (see below), whose sum is σ = 112631040. Its totient is φ = 56053080.

The previous prime is 84276389. The next prime is 84276449. The reversal of 84276447 is 74467248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84276447 - 2²⁰ = 83227871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84276399 and 84276408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84276449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31297 + ... + 33882.

It is an arithmetic number, because the mean of its divisors is an integer number (14078880).

Almost surely, 2^84276447 is an apocalyptic number.

84276447 is a deficient number, since it is larger than the sum of its proper divisors (28354593).

84276447 is a wasteful number, since it uses less digits than its factorization.

84276447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65613.

The product of its digits is 301056, while the sum is 42.

The square root of 84276447 is about 9180.2204221903. The cubic root of 84276447 is about 438.4318263670.

The spelling of 84276447 in words is "eighty-four million, two hundred seventy-six thousand, four hundred forty-seven".