85385470 has 32 divisors (see below), whose sum is σ = 161058816. Its totient is φ = 32551200.

The previous prime is 85385429. The next prime is 85385473. The reversal of 85385470 is 7458358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85385473) 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, 18715 + ... + 22825.

It is an arithmetic number, because the mean of its divisors is an integer number (5033088).

Almost surely, 2^85385470 is an apocalyptic number.

85385470 is a deficient number, since it is larger than the sum of its proper divisors (75673346).

85385470 is a wasteful number, since it uses less digits than its factorization.

85385470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4216.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 85385470 is about 9240.4258559874. The cubic root of 85385470 is about 440.3466104943.

The spelling of 85385470 in words is "eighty-five million, three hundred eighty-five thousand, four hundred seventy".