785605345 has 8 divisors (see below), whose sum is σ = 1077401664. Its totient is φ = 538700784.

The previous prime is 785605333. The next prime is 785605357. The reversal of 785605345 is 543506587.

It is an interprime number because it is at equal distance from previous prime (785605333) and next prime (785605357).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-785605345 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11222899 + ... + 11222968.

It is an arithmetic number, because the mean of its divisors is an integer number (134675208).

Almost surely, 2^785605345 is an apocalyptic number.

It is an amenable number.

785605345 is a deficient number, since it is larger than the sum of its proper divisors (291796319).

785605345 is a wasteful number, since it uses less digits than its factorization.

785605345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22445879.

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 785605345 is about 28028.6522151887. The cubic root of 785605345 is about 922.7161950480.

The spelling of 785605345 in words is "seven hundred eighty-five million, six hundred five thousand, three hundred forty-five".