785385470 has 16 divisors (see below), whose sum is σ = 1415996208. Its totient is φ = 313642560.

The previous prime is 785385467. The next prime is 785385493. The reversal of 785385470 is 74583587.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57476 + ... + 69815.

It is an arithmetic number, because the mean of its divisors is an integer number (88499763).

Almost surely, 2^785385470 is an apocalyptic number.

785385470 is a deficient number, since it is larger than the sum of its proper divisors (630610738).

785385470 is a wasteful number, since it uses less digits than its factorization.

785385470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127915.

The product of its (nonzero) digits is 940800, while the sum is 47.

The square root of 785385470 is about 28024.7296151096. The cubic root of 785385470 is about 922.6301038339.

The spelling of 785385470 in words is "seven hundred eighty-five million, three hundred eighty-five thousand, four hundred seventy".