47606861 has 2 divisors, whose sum is σ = 47606862. Its totient is φ = 47606860.

The previous prime is 47606833. The next prime is 47606887. The reversal of 47606861 is 16860674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45630025 + 1976836 = 6755^2 + 1406^2 .

It is a cyclic number.

It is not a de Polignac number, because 47606861 - 2²² = 43412557 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 (47606831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23803430 + 23803431.

It is an arithmetic number, because the mean of its divisors is an integer number (23803431).

Almost surely, 2^47606861 is an apocalyptic number.

It is an amenable number.

47606861 is a deficient number, since it is larger than the sum of its proper divisors (1).

47606861 is an equidigital number, since it uses as much as digits as its factorization.

47606861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 47606861 is about 6899.7725324825. The cubic root of 47606861 is about 362.4292015521.

The spelling of 47606861 in words is "forty-seven million, six hundred six thousand, eight hundred sixty-one".