3256870761 has 45 divisors (see below), whose sum is σ = 5182117941. Its totient is φ = 2038048128.

The previous prime is 3256870759. The next prime is 3256870777. The reversal of 3256870761 is 1670786523.

The square root of 3256870761 is 57069.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 360278361 + 2896592400 = 18981^2 + 53820^2 .

It is not a de Polignac number, because 3256870761 - 2¹ = 3256870759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3256878761) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 8731371 + ... + 8731743.

Almost surely, 2^3256870761 is an apocalyptic number.

3256870761 is the 57069-th square number.

3256870761 is the 28535-th centered octagonal number.

It is an amenable number.

3256870761 is a deficient number, since it is larger than the sum of its proper divisors (1925247180).

3256870761 is an frugal number, since it uses more digits than its factorization.

3256870761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The cubic root of 3256870761 is about 1482.2911252559.

The spelling of 3256870761 in words is "three billion, two hundred fifty-six million, eight hundred seventy thousand, seven hundred sixty-one".