84274623 has 6 divisors (see below), whose sum is σ = 121730024. Its totient is φ = 56183076.

The previous prime is 84274607. The next prime is 84274643. The reversal of 84274623 is 32647248.

84274623 is a `hidden beast` number, since 8 + 4 + 27 + 4 + 623 = 666.

It is not a de Polignac number, because 84274623 - 2⁴ = 84274607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84274643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4681915 + ... + 4681932.

Almost surely, 2^84274623 is an apocalyptic number.

84274623 is a deficient number, since it is larger than the sum of its proper divisors (37455401).

84274623 is a wasteful number, since it uses less digits than its factorization.

84274623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9363853 (or 9363850 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 84274623 is about 9180.1210776329. The cubic root of 84274623 is about 438.4286633424.

The spelling of 84274623 in words is "eighty-four million, two hundred seventy-four thousand, six hundred twenty-three".