3172884857 has 2 divisors, whose sum is σ = 3172884858. Its totient is φ = 3172884856.

The previous prime is 3172884839. The next prime is 3172884877. The reversal of 3172884857 is 7584882713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2241170281 + 931714576 = 47341^2 + 30524^2 .

It is a cyclic number.

It is not a de Polignac number, because 3172884857 - 2²⁶ = 3105775993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3172884799 and 3172884808.

It is not a weakly prime, because it can be changed into another prime (3172884877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1586442428 + 1586442429.

It is an arithmetic number, because the mean of its divisors is an integer number (1586442429).

Almost surely, 2^3172884857 is an apocalyptic number.

It is an amenable number.

3172884857 is a deficient number, since it is larger than the sum of its proper divisors (1).

3172884857 is an equidigital number, since it uses as much as digits as its factorization.

3172884857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3010560, while the sum is 53.

The square root of 3172884857 is about 56328.3663618962. The cubic root of 3172884857 is about 1469.4385776245.

The spelling of 3172884857 in words is "three billion, one hundred seventy-two million, eight hundred eighty-four thousand, eight hundred fifty-seven".