2828172197 has 2 divisors, whose sum is σ = 2828172198. Its totient is φ = 2828172196.

The previous prime is 2828172143. The next prime is 2828172199. The reversal of 2828172197 is 7912718282.

2828172197 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., 2299586116 + 528586081 = 47954^2 + 22991^2 .

It is a cyclic number.

It is not a de Polignac number, because 2828172197 - 2²⁴ = 2811394981 is a prime.

Together with 2828172199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2828172199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1414086098 + 1414086099.

It is an arithmetic number, because the mean of its divisors is an integer number (1414086099).

Almost surely, 2^2828172197 is an apocalyptic number.

It is an amenable number.

2828172197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2828172197 is an equidigital number, since it uses as much as digits as its factorization.

2828172197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 47.

The square root of 2828172197 is about 53180.5622102663. The cubic root of 2828172197 is about 1414.1710731388.

The spelling of 2828172197 in words is "two billion, eight hundred twenty-eight million, one hundred seventy-two thousand, one hundred ninety-seven".