47648831 has 2 divisors, whose sum is σ = 47648832. Its totient is φ = 47648830.

The previous prime is 47648803. The next prime is 47648851. The reversal of 47648831 is 13884674.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47648831 - 2¹⁰ = 47647807 is a prime.

It is a super-2 number, since 2×47648831² = 4540822191333122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47648851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23824415 + 23824416.

It is an arithmetic number, because the mean of its divisors is an integer number (23824416).

Almost surely, 2^47648831 is an apocalyptic number.

47648831 is a deficient number, since it is larger than the sum of its proper divisors (1).

47648831 is an equidigital number, since it uses as much as digits as its factorization.

47648831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 41.

The square root of 47648831 is about 6902.8132670673. The cubic root of 47648831 is about 362.5356756010.

The spelling of 47648831 in words is "forty-seven million, six hundred forty-eight thousand, eight hundred thirty-one".