84265560 has 96 divisors (see below), whose sum is σ = 285798240. Its totient is φ = 21491712.

The previous prime is 84265507. The next prime is 84265591. The reversal of 84265560 is 6556248.

84265560 is a `hidden beast` number, since 84 + 26 + 556 + 0 = 666.

It is a super-2 number, since 2×84265560² = 14201369204227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3192 + ... + 13368.

It is an arithmetic number, because the mean of its divisors is an integer number (2977065).

Almost surely, 2^84265560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84265560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142899120).

84265560 is an abundant number, since it is smaller than the sum of its proper divisors (201532680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84265560 is a wasteful number, since it uses less digits than its factorization.

84265560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10217 (or 10210 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 84265560 is about 9179.6274434206. The cubic root of 84265560 is about 438.4129463872.

The spelling of 84265560 in words is "eighty-four million, two hundred sixty-five thousand, five hundred sixty".