3456505785 has 16 divisors (see below), whose sum is σ = 5543251200. Its totient is φ = 1839189120.

The previous prime is 3456505771. The next prime is 3456505873. The reversal of 3456505785 is 5875056543.

3456505785 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3456505785 - 2⁸ = 3456505529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260860 + ... + 273789.

It is an arithmetic number, because the mean of its divisors is an integer number (346453200).

Almost surely, 2^3456505785 is an apocalyptic number.

It is an amenable number.

3456505785 is a deficient number, since it is larger than the sum of its proper divisors (2086745415).

3456505785 is a wasteful number, since it uses less digits than its factorization.

3456505785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535088.

The product of its (nonzero) digits is 2520000, while the sum is 48.

The square root of 3456505785 is about 58792.0554581995. The cubic root of 3456505785 is about 1511.9790119669.

The spelling of 3456505785 in words is "three billion, four hundred fifty-six million, five hundred five thousand, seven hundred eighty-five".