84628565 has 16 divisors (see below), whose sum is σ = 122171520. Its totient is φ = 54976320.

The previous prime is 84628561. The next prime is 84628637. The reversal of 84628565 is 56582648.

It is not a de Polignac number, because 84628565 - 2² = 84628561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84628561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62966 + ... + 64295.

It is an arithmetic number, because the mean of its divisors is an integer number (7635720).

Almost surely, 2^84628565 is an apocalyptic number.

It is an amenable number.

84628565 is a deficient number, since it is larger than the sum of its proper divisors (37542955).

84628565 is a wasteful number, since it uses less digits than its factorization.

84628565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127292.

The product of its digits is 460800, while the sum is 44.

The square root of 84628565 is about 9199.3785116170. The cubic root of 84628565 is about 439.0415864078.

The spelling of 84628565 in words is "eighty-four million, six hundred twenty-eight thousand, five hundred sixty-five".