84276505 has 8 divisors (see below), whose sum is σ = 101188224. Its totient is φ = 67383600.

The previous prime is 84276481. The next prime is 84276539. The reversal of 84276505 is 50567248.

It is a happy number.

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

It is not a de Polignac number, because 84276505 - 2⁵ = 84276473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8560 + ... + 15550.

It is an arithmetic number, because the mean of its divisors is an integer number (12648528).

Almost surely, 2^84276505 is an apocalyptic number.

It is an amenable number.

84276505 is a deficient number, since it is larger than the sum of its proper divisors (16911719).

84276505 is a wasteful number, since it uses less digits than its factorization.

84276505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9407.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 84276505 is about 9180.2235811553. The cubic root of 84276505 is about 438.4319269448.

The spelling of 84276505 in words is "eighty-four million, two hundred seventy-six thousand, five hundred five".