47899025197 has 2 divisors, whose sum is σ = 47899025198. Its totient is φ = 47899025196.

The previous prime is 47899025129. The next prime is 47899025201. The reversal of 47899025197 is 79152099874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31991257321 + 15907767876 = 178861^2 + 126126^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47899025197 is a prime.

It is a super-2 number, since 2×47899025197² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47899025297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23949512598 + 23949512599.

It is an arithmetic number, because the mean of its divisors is an integer number (23949512599).

Almost surely, 2^47899025197 is an apocalyptic number.

It is an amenable number.

47899025197 is a deficient number, since it is larger than the sum of its proper divisors (1).

47899025197 is an equidigital number, since it uses as much as digits as its factorization.

47899025197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11430720, while the sum is 61.

The spelling of 47899025197 in words is "forty-seven billion, eight hundred ninety-nine million, twenty-five thousand, one hundred ninety-seven".