785620053 has 10 divisors (see below), whose sum is σ = 1173580694. Its totient is φ = 523746648.

The previous prime is 785620051. The next prime is 785620097. The reversal of 785620053 is 350026587.

It can be written as a sum of positive squares in only one way, i.e., 582643044 + 202977009 = 24138^2 + 14247^2 .

It is not a de Polignac number, because 785620053 - 2¹ = 785620051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (785620051) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 4849426 + ... + 4849587.

Almost surely, 2^785620053 is an apocalyptic number.

It is an amenable number.

785620053 is a deficient number, since it is larger than the sum of its proper divisors (387960641).

785620053 is an equidigital number, since it uses as much as digits as its factorization.

785620053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9699025 (or 9699016 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 785620053 is about 28028.9145883318. The cubic root of 785620053 is about 922.7219533358.

The spelling of 785620053 in words is "seven hundred eighty-five million, six hundred twenty thousand, fifty-three".