84928645 has 8 divisors (see below), whose sum is σ = 102364704. Its totient is φ = 67642704.

The previous prime is 84928637. The next prime is 84928661. The reversal of 84928645 is 54682948.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84928645 - 2³ = 84928637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84928595 and 84928604.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 36279 + ... + 38548.

It is an arithmetic number, because the mean of its divisors is an integer number (12795588).

Almost surely, 2^84928645 is an apocalyptic number.

It is an amenable number.

84928645 is a deficient number, since it is larger than the sum of its proper divisors (17436059).

84928645 is a wasteful number, since it uses less digits than its factorization.

84928645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75059.

The product of its digits is 552960, while the sum is 46.

The square root of 84928645 is about 9215.6738766083. The cubic root of 84928645 is about 439.5598991323.

The spelling of 84928645 in words is "eighty-four million, nine hundred twenty-eight thousand, six hundred forty-five".