84485870 has 16 divisors (see below), whose sum is σ = 173799648. Its totient is φ = 28966560.

The previous prime is 84485867. The next prime is 84485887. The reversal of 84485870 is 7858448.

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, 603401 + ... + 603540.

It is an arithmetic number, because the mean of its divisors is an integer number (10862478).

Almost surely, 2^84485870 is an apocalyptic number.

84485870 is an abundant number, since it is smaller than the sum of its proper divisors (89313778).

84485870 is a wasteful number, since it uses less digits than its factorization.

84485870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206955.

The product of its (nonzero) digits is 286720, while the sum is 44.

The square root of 84485870 is about 9191.6195526142. The cubic root of 84485870 is about 438.7946867795.

The spelling of 84485870 in words is "eighty-four million, four hundred eighty-five thousand, eight hundred seventy".