785385612 has 48 divisors (see below), whose sum is σ = 2221296000. Its totient is φ = 237995280.

The previous prime is 785385593. The next prime is 785385617. The reversal of 785385612 is 216583587.

785385612 is a `hidden beast` number, since 7 + 85 + 3 + 8 + 561 + 2 = 666.

It is a super-2 number, since 2×785385612² = 1233661119073229088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (785385617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329362 + ... + 331737.

It is an arithmetic number, because the mean of its divisors is an integer number (46277000).

Almost surely, 2^785385612 is an apocalyptic number.

It is an amenable number.

785385612 is an abundant number, since it is smaller than the sum of its proper divisors (1435910388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

785385612 is a wasteful number, since it uses less digits than its factorization.

785385612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661123 (or 661115 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 785385612 is about 28024.7321485862. The cubic root of 785385612 is about 922.6301594386.

The spelling of 785385612 in words is "seven hundred eighty-five million, three hundred eighty-five thousand, six hundred twelve".