84427255 has 8 divisors (see below), whose sum is σ = 110523024. Its totient is φ = 61401600.

The previous prime is 84427199. The next prime is 84427261. The reversal of 84427255 is 55272448.

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 84427255 - 2¹⁵ = 84394487 is a prime.

It is a super-2 number, since 2×84427255² = 14255922773670050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767466 + ... + 767575.

It is an arithmetic number, because the mean of its divisors is an integer number (13815378).

Almost surely, 2^84427255 is an apocalyptic number.

84427255 is a deficient number, since it is larger than the sum of its proper divisors (26095769).

84427255 is a wasteful number, since it uses less digits than its factorization.

84427255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535057.

The product of its digits is 89600, while the sum is 37.

The square root of 84427255 is about 9188.4304970980. The cubic root of 84427255 is about 438.6931869630.

The spelling of 84427255 in words is "eighty-four million, four hundred twenty-seven thousand, two hundred fifty-five".