3972798793 has 2 divisors, whose sum is σ = 3972798794. Its totient is φ = 3972798792.

The previous prime is 3972798691. The next prime is 3972798839. The reversal of 3972798793 is 3978972793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3644899129 + 327899664 = 60373^2 + 18108^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3972798793 is a prime.

It is not a weakly prime, because it can be changed into another prime (3972799793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1986399396 + 1986399397.

It is an arithmetic number, because the mean of its divisors is an integer number (1986399397).

Almost surely, 2^3972798793 is an apocalyptic number.

It is an amenable number.

3972798793 is a deficient number, since it is larger than the sum of its proper divisors (1).

3972798793 is an equidigital number, since it uses as much as digits as its factorization.

3972798793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36006768, while the sum is 64.

The square root of 3972798793 is about 63030.1419401860. The cubic root of 3972798793 is about 1583.7945958583.

The spelling of 3972798793 in words is "three billion, nine hundred seventy-two million, seven hundred ninety-eight thousand, seven hundred ninety-three".