785488321 has 4 divisors (see below), whose sum is σ = 787050432. Its totient is φ = 783926212.

The previous prime is 785488313. The next prime is 785488343. The reversal of 785488321 is 123884587.

785488321 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, and also an emirpimes, since its reverse is a distinct semiprime: 123884587 = 31 ⋅3996277.

It is a cyclic number.

It is not a de Polignac number, because 785488321 - 2³ = 785488313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (785488381) 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, 780301 + ... + 781306.

It is an arithmetic number, because the mean of its divisors is an integer number (196762608).

Almost surely, 2^785488321 is an apocalyptic number.

It is an amenable number.

785488321 is a deficient number, since it is larger than the sum of its proper divisors (1562111).

785488321 is a wasteful number, since it uses less digits than its factorization.

785488321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562110.

The product of its digits is 430080, while the sum is 46.

The square root of 785488321 is about 28026.5645593605. The cubic root of 785488321 is about 922.6703767489.

The spelling of 785488321 in words is "seven hundred eighty-five million, four hundred eighty-eight thousand, three hundred twenty-one".