785385897 has 8 divisors (see below), whose sum is σ = 1047312000. Its totient is φ = 523525200.

The previous prime is 785385893. The next prime is 785385973. The reversal of 785385897 is 798583587.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 785385897 - 2² = 785385893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 785385897.

It is not an unprimeable number, because it can be changed into a prime (785385893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32647 + ... + 51347.

It is an arithmetic number, because the mean of its divisors is an integer number (130914000).

Almost surely, 2^785385897 is an apocalyptic number.

It is an amenable number.

785385897 is a deficient number, since it is larger than the sum of its proper divisors (261926103).

785385897 is a wasteful number, since it uses less digits than its factorization.

785385897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32703.

The product of its digits is 16934400, while the sum is 60.

The square root of 785385897 is about 28024.7372333801. The cubic root of 785385897 is about 922.6302710397.

The spelling of 785385897 in words is "seven hundred eighty-five million, three hundred eighty-five thousand, eight hundred ninety-seven".