3257455847 has 4 divisors (see below), whose sum is σ = 3258316200. Its totient is φ = 3256595496.

The previous prime is 3257455813. The next prime is 3257455849. The reversal of 3257455847 is 7485547523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7485547523 = 79151 ⋅94573.

It is a cyclic number.

It is not a de Polignac number, because 3257455847 - 2²⁶ = 3190346983 is a prime.

It is a super-2 number, since 2×3257455847² = 21222037190308974818, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3257455795 and 3257455804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3257455849) 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, 424472 + ... + 432077.

It is an arithmetic number, because the mean of its divisors is an integer number (814579050).

Almost surely, 2^3257455847 is an apocalyptic number.

3257455847 is a deficient number, since it is larger than the sum of its proper divisors (860353).

3257455847 is an equidigital number, since it uses as much as digits as its factorization.

3257455847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860352.

The product of its digits is 4704000, while the sum is 50.

The square root of 3257455847 is about 57074.1258978182. The cubic root of 3257455847 is about 1482.3798828313.

The spelling of 3257455847 in words is "three billion, two hundred fifty-seven million, four hundred fifty-five thousand, eight hundred forty-seven".