4172198077 has 2 divisors, whose sum is σ = 4172198078. Its totient is φ = 4172198076.

The previous prime is 4172198057. The next prime is 4172198083. The reversal of 4172198077 is 7708912714.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3179380996 + 992817081 = 56386^2 + 31509^2 .

It is a cyclic number.

It is not a de Polignac number, because 4172198077 - 2³¹ = 2024714429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4172198057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2086099038 + 2086099039.

It is an arithmetic number, because the mean of its divisors is an integer number (2086099039).

Almost surely, 2^4172198077 is an apocalyptic number.

It is an amenable number.

4172198077 is a deficient number, since it is larger than the sum of its proper divisors (1).

4172198077 is an equidigital number, since it uses as much as digits as its factorization.

4172198077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 46.

The square root of 4172198077 is about 64592.5543464570. The cubic root of 4172198077 is about 1609.8607285364.

The spelling of 4172198077 in words is "four billion, one hundred seventy-two million, one hundred ninety-eight thousand, seventy-seven".