785311345 has 32 divisors (see below), whose sum is σ = 1228082688. Its totient is φ = 467831808.

The previous prime is 785311309. The next prime is 785311357. The reversal of 785311345 is 543113587.

It is a cyclic number.

It is not a de Polignac number, because 785311345 - 2¹⁷ = 785180273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43029 + ... + 58498.

It is an arithmetic number, because the mean of its divisors is an integer number (38377584).

Almost surely, 2^785311345 is an apocalyptic number.

It is an amenable number.

785311345 is a deficient number, since it is larger than the sum of its proper divisors (442771343).

785311345 is a wasteful number, since it uses less digits than its factorization.

785311345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101569.

The product of its digits is 50400, while the sum is 37.

The square root of 785311345 is about 28023.4070912157. The cubic root of 785311345 is about 922.6010768525.

The spelling of 785311345 in words is "seven hundred eighty-five million, three hundred eleven thousand, three hundred forty-five".