84723117 has 8 divisors (see below), whose sum is σ = 113617824. Its totient is φ = 56155248.

The previous prime is 84723103. The next prime is 84723137. The reversal of 84723117 is 71132748.

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 84723117 - 2⁸ = 84722861 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84723137) by changing a digit.

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, 81103 + ... + 82140.

It is an arithmetic number, because the mean of its divisors is an integer number (14202228).

Almost surely, 2^84723117 is an apocalyptic number.

It is an amenable number.

84723117 is a deficient number, since it is larger than the sum of its proper divisors (28894707).

84723117 is a wasteful number, since it uses less digits than its factorization.

84723117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163419.

The product of its digits is 9408, while the sum is 33.

The square root of 84723117 is about 9204.5161198186. The cubic root of 84723117 is about 439.2050332285.

The spelling of 84723117 in words is "eighty-four million, seven hundred twenty-three thousand, one hundred seventeen".