47656339 has 2 divisors, whose sum is σ = 47656340. Its totient is φ = 47656338.

The previous prime is 47656337. The next prime is 47656379. The reversal of 47656339 is 93365674.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47656339 - 2¹ = 47656337 is a prime.

It is a super-2 number, since 2×47656339² = 4542253293765842, which contains 22 as substring.

Together with 47656337, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 47656295 and 47656304.

It is not a weakly prime, because it can be changed into another prime (47656337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23828169 + 23828170.

It is an arithmetic number, because the mean of its divisors is an integer number (23828170).

Almost surely, 2^47656339 is an apocalyptic number.

47656339 is a deficient number, since it is larger than the sum of its proper divisors (1).

47656339 is an equidigital number, since it uses as much as digits as its factorization.

47656339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 43.

The square root of 47656339 is about 6903.3570818841. The cubic root of 47656339 is about 362.5547161164.

The spelling of 47656339 in words is "forty-seven million, six hundred fifty-six thousand, three hundred thirty-nine".