47796508997 has 2 divisors, whose sum is σ = 47796508998. Its totient is φ = 47796508996.

The previous prime is 47796508987. The next prime is 47796509029. The reversal of 47796508997 is 79980569774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42093087556 + 5703421441 = 205166^2 + 75521^2 .

It is a cyclic number.

It is not a de Polignac number, because 47796508997 - 2¹⁰ = 47796507973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47796508997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47796508987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23898254498 + 23898254499.

It is an arithmetic number, because the mean of its divisors is an integer number (23898254499).

Almost surely, 2^47796508997 is an apocalyptic number.

It is an amenable number.

47796508997 is a deficient number, since it is larger than the sum of its proper divisors (1).

47796508997 is an equidigital number, since it uses as much as digits as its factorization.

47796508997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240045120, while the sum is 71.

The spelling of 47796508997 in words is "forty-seven billion, seven hundred ninety-six million, five hundred eight thousand, nine hundred ninety-seven".