84641625 has 64 divisors (see below), whose sum is σ = 161740800. Its totient is φ = 43632000.

The previous prime is 84641617. The next prime is 84641639. The reversal of 84641625 is 52614648.

84641625 is a `hidden beast` number, since 8 + 4 + 641 + 6 + 2 + 5 = 666.

It is not a de Polignac number, because 84641625 - 2³ = 84641617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84641625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 104221 + ... + 105029.

It is an arithmetic number, because the mean of its divisors is an integer number (2527200).

Almost surely, 2^84641625 is an apocalyptic number.

It is an amenable number.

84641625 is a deficient number, since it is larger than the sum of its proper divisors (77099175).

84641625 is a wasteful number, since it uses less digits than its factorization.

84641625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864 (or 848 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 84641625 is about 9200.0883147935. The cubic root of 84641625 is about 439.0641697526.

The spelling of 84641625 in words is "eighty-four million, six hundred forty-one thousand, six hundred twenty-five".