785122493 has 4 divisors (see below), whose sum is σ = 785281920. Its totient is φ = 784963068.

The previous prime is 785122487. The next prime is 785122517. The reversal of 785122493 is 394221587.

785122493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-785122493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 785122493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (785122453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72083 + ... + 82256.

It is an arithmetic number, because the mean of its divisors is an integer number (196320480).

Almost surely, 2^785122493 is an apocalyptic number.

It is an amenable number.

785122493 is a deficient number, since it is larger than the sum of its proper divisors (159427).

785122493 is a wasteful number, since it uses less digits than its factorization.

785122493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159426.

The product of its digits is 120960, while the sum is 41.

The square root of 785122493 is about 28020.0373482977. The cubic root of 785122493 is about 922.5271150928.

The spelling of 785122493 in words is "seven hundred eighty-five million, one hundred twenty-two thousand, four hundred ninety-three".