84027455 has 16 divisors (see below), whose sum is σ = 102419424. Its totient is φ = 66172800.

The previous prime is 84027403. The next prime is 84027469. The reversal of 84027455 is 55472048.

It is a de Polignac number, because none of the positive numbers 2^k-84027455 is a prime.

It is a super-2 number, since 2×84027455² = 14121226387554050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114269 + ... + 115001.

It is an arithmetic number, because the mean of its divisors is an integer number (6401214).

Almost surely, 2^84027455 is an apocalyptic number.

84027455 is a deficient number, since it is larger than the sum of its proper divisors (18391969).

84027455 is a wasteful number, since it uses less digits than its factorization.

84027455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066.

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 84027455 is about 9166.6490605892. The cubic root of 84027455 is about 437.9996229572. Note that the first 3 decimals are identical.

The spelling of 84027455 in words is "eighty-four million, twenty-seven thousand, four hundred fifty-five".