84265855 has 16 divisors (see below), whose sum is σ = 112704480. Its totient is φ = 60106752.

The previous prime is 84265849. The next prime is 84265879. The reversal of 84265855 is 55856248.

It is a cyclic number.

It is not a de Polignac number, because 84265855 - 2³ = 84265847 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, 24474 + ... + 27703.

It is an arithmetic number, because the mean of its divisors is an integer number (7044030).

Almost surely, 2^84265855 is an apocalyptic number.

84265855 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

84265855 is a deficient number, since it is larger than the sum of its proper divisors (28438625).

84265855 is a wasteful number, since it uses less digits than its factorization.

84265855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52218.

The product of its digits is 384000, while the sum is 43.

The square root of 84265855 is about 9179.6435115967. The cubic root of 84265855 is about 438.4134579907.

The spelling of 84265855 in words is "eighty-four million, two hundred sixty-five thousand, eight hundred fifty-five".