84505855 has 16 divisors (see below), whose sum is σ = 119891520. Its totient is φ = 55948032.

The previous prime is 84505831. The next prime is 84505867. The reversal of 84505855 is 55850548.

It is not a de Polignac number, because 84505855 - 2¹¹ = 84503807 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40614 + ... + 42643.

It is an arithmetic number, because the mean of its divisors is an integer number (7493220).

Almost surely, 2^84505855 is an apocalyptic number.

84505855 is a deficient number, since it is larger than the sum of its proper divisors (35385665).

84505855 is a wasteful number, since it uses less digits than its factorization.

84505855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83298.

The product of its (nonzero) digits is 160000, while the sum is 40.

The square root of 84505855 is about 9192.7066199243. The cubic root of 84505855 is about 438.8292827833.

The spelling of 84505855 in words is "eighty-four million, five hundred five thousand, eight hundred fifty-five".