84260565 has 24 divisors (see below), whose sum is σ = 146285568. Its totient is φ = 44867040.

The previous prime is 84260557. The next prime is 84260593. The reversal of 84260565 is 56506248.

84260565 is a `hidden beast` number, since 8 + 42 + 605 + 6 + 5 = 666.

It is not a de Polignac number, because 84260565 - 2³ = 84260557 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38860 + ... + 40970.

It is an arithmetic number, because the mean of its divisors is an integer number (6095232).

Almost surely, 2^84260565 is an apocalyptic number.

It is an amenable number.

84260565 is a deficient number, since it is larger than the sum of its proper divisors (62025003).

84260565 is a wasteful number, since it uses less digits than its factorization.

84260565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009 (or 3006 counting only the distinct ones).

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

The square root of 84260565 is about 9179.3553695235. The cubic root of 84260565 is about 438.4042836312.

The spelling of 84260565 in words is "eighty-four million, two hundred sixty thousand, five hundred sixty-five".