47656337 has 2 divisors, whose sum is σ = 47656338. Its totient is φ = 47656336.

The previous prime is 47656327. The next prime is 47656339. The reversal of 47656337 is 73365674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35153041 + 12503296 = 5929^2 + 3536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47656337 is a prime.

It is a super-2 number, since 2×47656337² = 4542252912515138, which contains 22 as substring.

Together with 47656339, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 47656294 and 47656303.

It is not a weakly prime, because it can be changed into another prime (47656339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23828168 + 23828169.

It is an arithmetic number, because the mean of its divisors is an integer number (23828169).

Almost surely, 2^47656337 is an apocalyptic number.

It is an amenable number.

47656337 is a deficient number, since it is larger than the sum of its proper divisors (1).

47656337 is an equidigital number, since it uses as much as digits as its factorization.

47656337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 41.

The square root of 47656337 is about 6903.3569370271. The cubic root of 47656337 is about 362.5547110446.

The spelling of 47656337 in words is "forty-seven million, six hundred fifty-six thousand, three hundred thirty-seven".