785252064 has 48 divisors (see below), whose sum is σ = 2169780480. Its totient is φ = 247973760.

The previous prime is 785252051. The next prime is 785252071. The reversal of 785252064 is 460252587.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213432 + ... + 217079.

It is an arithmetic number, because the mean of its divisors is an integer number (45203760).

Almost surely, 2^785252064 is an apocalyptic number.

It is an amenable number.

785252064 is an abundant number, since it is smaller than the sum of its proper divisors (1384528416).

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

785252064 is a wasteful number, since it uses less digits than its factorization.

785252064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430543 (or 430535 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 785252064 is about 28022.3493661756. The cubic root of 785252064 is about 922.5778613932.

The spelling of 785252064 in words is "seven hundred eighty-five million, two hundred fifty-two thousand, sixty-four".