3345208857 has 6 divisors (see below), whose sum is σ = 4831968362. Its totient is φ = 2230139232.

The previous prime is 3345208831. The next prime is 3345208859. The reversal of 3345208857 is 7588025433.

It can be written as a sum of positive squares in only one way, i.e., 1882605321 + 1462603536 = 43389^2 + 38244^2 .

It is not a de Polignac number, because 3345208857 - 2¹⁵ = 3345176089 is a prime.

It is a super-2 number, since 2×3345208857² = 22380844593902492898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3345208859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 185844928 + ... + 185844945.

Almost surely, 2^3345208857 is an apocalyptic number.

It is an amenable number.

3345208857 is a deficient number, since it is larger than the sum of its proper divisors (1486759505).

3345208857 is a wasteful number, since it uses less digits than its factorization.

3345208857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371689879 (or 371689876 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The square root of 3345208857 is about 57837.7805331429. The cubic root of 3345208857 is about 1495.5734472703.

The spelling of 3345208857 in words is "three billion, three hundred forty-five million, two hundred eight thousand, eight hundred fifty-seven".