785500081064 has 32 divisors (see below), whose sum is σ = 1498552164000. Its totient is φ = 385893074112.

The previous prime is 785500081061. The next prime is 785500081073. The reversal of 785500081064 is 460180005587.

It is a happy number.

785500081064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (785500081061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481907 + ... + 1342845.

It is an arithmetic number, because the mean of its divisors is an integer number (46829755125).

Almost surely, 2^785500081064 is an apocalyptic number.

It is an amenable number.

785500081064 is a deficient number, since it is larger than the sum of its proper divisors (713052082936).

785500081064 is a wasteful number, since it uses less digits than its factorization.

785500081064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862937 (or 862933 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 44.

The spelling of 785500081064 in words is "seven hundred eighty-five billion, five hundred million, eighty-one thousand, sixty-four".