84974255 has 8 divisors (see below), whose sum is σ = 105258624. Its totient is φ = 65786400.

The previous prime is 84974243. The next prime is 84974257. The reversal of 84974255 is 55247948.

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 84974255 - 2⁶ = 84974191 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84974257) 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, 273956 + ... + 274265.

It is an arithmetic number, because the mean of its divisors is an integer number (13157328).

Almost surely, 2^84974255 is an apocalyptic number.

84974255 is a deficient number, since it is larger than the sum of its proper divisors (20284369).

84974255 is a wasteful number, since it uses less digits than its factorization.

84974255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548257.

The product of its digits is 403200, while the sum is 44.

The square root of 84974255 is about 9218.1481328952. The cubic root of 84974255 is about 439.6385719961.

The spelling of 84974255 in words is "eighty-four million, nine hundred seventy-four thousand, two hundred fifty-five".