47769913 has 2 divisors, whose sum is σ = 47769914. Its totient is φ = 47769912.

The previous prime is 47769901. The next prime is 47769941. The reversal of 47769913 is 31996774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44129449 + 3640464 = 6643^2 + 1908^2 .

It is a cyclic number.

It is not a de Polignac number, because 47769913 - 2¹⁷ = 47638841 is a prime.

It is not a weakly prime, because it can be changed into another prime (47719913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23884956 + 23884957.

It is an arithmetic number, because the mean of its divisors is an integer number (23884957).

Almost surely, 2^47769913 is an apocalyptic number.

It is an amenable number.

47769913 is a deficient number, since it is larger than the sum of its proper divisors (1).

47769913 is an equidigital number, since it uses as much as digits as its factorization.

47769913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 46.

The square root of 47769913 is about 6911.5781844670. The cubic root of 47769913 is about 362.8424996010.

The spelling of 47769913 in words is "forty-seven million, seven hundred sixty-nine thousand, nine hundred thirteen".