84257255 has 8 divisors (see below), whose sum is σ = 103575024. Its totient is φ = 65761600.

The previous prime is 84257249. The next prime is 84257263. The reversal of 84257255 is 55275248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84257255 - 2⁸ = 84256999 is a prime.

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, 205301 + ... + 205710.

It is an arithmetic number, because the mean of its divisors is an integer number (12946878).

Almost surely, 2^84257255 is an apocalyptic number.

84257255 is a deficient number, since it is larger than the sum of its proper divisors (19317769).

84257255 is a wasteful number, since it uses less digits than its factorization.

84257255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411057.

The product of its digits is 112000, while the sum is 38.

The square root of 84257255 is about 9179.1750718678. The cubic root of 84257255 is about 438.3985429577.

The spelling of 84257255 in words is "eighty-four million, two hundred fifty-seven thousand, two hundred fifty-five".