47997098789 has 2 divisors, whose sum is σ = 47997098790. Its totient is φ = 47997098788.

The previous prime is 47997098771. The next prime is 47997098839. The reversal of 47997098789 is 98789079974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29837380225 + 18159718564 = 172735^2 + 134758^2 .

It is a cyclic number.

It is not a de Polignac number, because 47997098789 - 2¹² = 47997094693 is a prime.

It is a super-2 number, since 2×47997098789² (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 (47997098389) 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, 23998549394 + 23998549395.

It is an arithmetic number, because the mean of its divisors is an integer number (23998549395).

Almost surely, 2^47997098789 is an apocalyptic number.

It is an amenable number.

47997098789 is a deficient number, since it is larger than the sum of its proper divisors (1).

47997098789 is an equidigital number, since it uses as much as digits as its factorization.

47997098789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576108288, while the sum is 77.

The spelling of 47997098789 in words is "forty-seven billion, nine hundred ninety-seven million, ninety-eight thousand, seven hundred eighty-nine".