47835661 has 2 divisors, whose sum is σ = 47835662. Its totient is φ = 47835660.

The previous prime is 47835589. The next prime is 47835677. The reversal of 47835661 is 16653874.

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., 40513225 + 7322436 = 6365^2 + 2706^2 .

It is a cyclic number.

It is not a de Polignac number, because 47835661 - 2⁷ = 47835533 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47835461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23917830 + 23917831.

It is an arithmetic number, because the mean of its divisors is an integer number (23917831).

Almost surely, 2^47835661 is an apocalyptic number.

It is an amenable number.

47835661 is a deficient number, since it is larger than the sum of its proper divisors (1).

47835661 is an equidigital number, since it uses as much as digits as its factorization.

47835661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 47835661 is about 6916.3329156425. The cubic root of 47835661 is about 363.0088890760.

The spelling of 47835661 in words is "forty-seven million, eight hundred thirty-five thousand, six hundred sixty-one".