84255545 has 32 divisors (see below), whose sum is σ = 113218560. Its totient is φ = 59682240.

The previous prime is 84255539. The next prime is 84255547. The reversal of 84255545 is 54555248.

It is not a de Polignac number, because 84255545 - 2⁴ = 84255529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84255499 and 84255508.

It is not an unprimeable number, because it can be changed into a prime (84255547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 606086 + ... + 606224.

It is an arithmetic number, because the mean of its divisors is an integer number (3538080).

Almost surely, 2^84255545 is an apocalyptic number.

It is an amenable number.

84255545 is a deficient number, since it is larger than the sum of its proper divisors (28963015).

84255545 is a wasteful number, since it uses less digits than its factorization.

84255545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365.

The product of its digits is 160000, while the sum is 38.

The square root of 84255545 is about 9179.0819257701. The cubic root of 84255545 is about 438.3955771732.

The spelling of 84255545 in words is "eighty-four million, two hundred fifty-five thousand, five hundred forty-five".