47765223197 has 2 divisors, whose sum is σ = 47765223198. Its totient is φ = 47765223196.

The previous prime is 47765223151. The next prime is 47765223217. The reversal of 47765223197 is 79132256774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46508804281 + 1256418916 = 215659^2 + 35446^2 .

It is a cyclic number.

It is not a de Polignac number, because 47765223197 - 2¹² = 47765219101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47765223137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23882611598 + 23882611599.

It is an arithmetic number, because the mean of its divisors is an integer number (23882611599).

Almost surely, 2^47765223197 is an apocalyptic number.

It is an amenable number.

47765223197 is a deficient number, since it is larger than the sum of its proper divisors (1).

47765223197 is an equidigital number, since it uses as much as digits as its factorization.

47765223197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4445280, while the sum is 53.

The spelling of 47765223197 in words is "forty-seven billion, seven hundred sixty-five million, two hundred twenty-three thousand, one hundred ninety-seven".