47680691 has 2 divisors, whose sum is σ = 47680692. Its totient is φ = 47680690.

The previous prime is 47680651. The next prime is 47680693. The reversal of 47680691 is 19608674.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47680691 is a prime.

Together with 47680693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47680693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23840345 + 23840346.

It is an arithmetic number, because the mean of its divisors is an integer number (23840346).

Almost surely, 2^47680691 is an apocalyptic number.

47680691 is a deficient number, since it is larger than the sum of its proper divisors (1).

47680691 is an equidigital number, since it uses as much as digits as its factorization.

47680691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 47680691 is about 6905.1206361656. The cubic root of 47680691 is about 362.6164597670.

The spelling of 47680691 in words is "forty-seven million, six hundred eighty thousand, six hundred ninety-one".