3257670085 has 8 divisors (see below), whose sum is σ = 3909939480. Its totient is φ = 2605645824.

The previous prime is 3257670083. The next prime is 3257670089. The reversal of 3257670085 is 5800767523.

It can be written as a sum of positive squares in 4 ways, for example, as 205549569 + 3052120516 = 14337^2 + 55246^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3257670085 - 2¹ = 3257670083 is a prime.

It is a super-2 number, since 2×3257670085² = 21224828765407814450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3257670083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30652 + ... + 86341.

It is an arithmetic number, because the mean of its divisors is an integer number (488742435).

Almost surely, 2^3257670085 is an apocalyptic number.

It is an amenable number.

3257670085 is a deficient number, since it is larger than the sum of its proper divisors (652269395).

3257670085 is a wasteful number, since it uses less digits than its factorization.

3257670085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122567.

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 3257670085 is about 57076.0027069170. The cubic root of 3257670085 is about 1482.4123800883.

The spelling of 3257670085 in words is "three billion, two hundred fifty-seven million, six hundred seventy thousand, eighty-five".