3172807873 has 2 divisors, whose sum is σ = 3172807874. Its totient is φ = 3172807872.

The previous prime is 3172807787. The next prime is 3172807907. The reversal of 3172807873 is 3787082713.

3172807873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2594068624 + 578739249 = 50932^2 + 24057^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3172807873 is a prime.

It is not a weakly prime, because it can be changed into another prime (3172807973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1586403936 + 1586403937.

It is an arithmetic number, because the mean of its divisors is an integer number (1586403937).

Almost surely, 2^3172807873 is an apocalyptic number.

It is an amenable number.

3172807873 is a deficient number, since it is larger than the sum of its proper divisors (1).

3172807873 is an equidigital number, since it uses as much as digits as its factorization.

3172807873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 3172807873 is about 56327.6830075585. The cubic root of 3172807873 is about 1469.4266931535.

The spelling of 3172807873 in words is "three billion, one hundred seventy-two million, eight hundred seven thousand, eight hundred seventy-three".