47488669 has 2 divisors, whose sum is σ = 47488670. Its totient is φ = 47488668.

The previous prime is 47488643. The next prime is 47488691. The reversal of 47488669 is 96688474.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45400644 + 2088025 = 6738^2 + 1445^2 .

It is a cyclic number.

It is not a de Polignac number, because 47488669 - 2¹⁹ = 46964381 is a prime.

It is a super-2 number, since 2×47488669² = 4510347366783122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47488369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23744334 + 23744335.

It is an arithmetic number, because the mean of its divisors is an integer number (23744335).

Almost surely, 2^47488669 is an apocalyptic number.

It is an amenable number.

47488669 is a deficient number, since it is larger than the sum of its proper divisors (1).

47488669 is an equidigital number, since it uses as much as digits as its factorization.

47488669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 52.

The square root of 47488669 is about 6891.2022898766. The cubic root of 47488669 is about 362.1290226168.

The spelling of 47488669 in words is "forty-seven million, four hundred eighty-eight thousand, six hundred sixty-nine".