47616997 has 2 divisors, whose sum is σ = 47616998. Its totient is φ = 47616996.

The previous prime is 47616991. The next prime is 47617049. The reversal of 47616997 is 79961674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33108516 + 14508481 = 5754^2 + 3809^2 .

It is a cyclic number.

It is not a de Polignac number, because 47616997 - 2¹¹ = 47614949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47616997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47616991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23808498 + 23808499.

It is an arithmetic number, because the mean of its divisors is an integer number (23808499).

Almost surely, 2^47616997 is an apocalyptic number.

It is an amenable number.

47616997 is a deficient number, since it is larger than the sum of its proper divisors (1).

47616997 is an equidigital number, since it uses as much as digits as its factorization.

47616997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 49.

The square root of 47616997 is about 6900.5070103580. The cubic root of 47616997 is about 362.4549213862.

The spelling of 47616997 in words is "forty-seven million, six hundred sixteen thousand, nine hundred ninety-seven".