48728947 has 2 divisors, whose sum is σ = 48728948. Its totient is φ = 48728946.

The previous prime is 48728941. The next prime is 48728957. The reversal of 48728947 is 74982784.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48728947 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48728947.

It is not a weakly prime, because it can be changed into another prime (48728941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24364473 + 24364474.

It is an arithmetic number, because the mean of its divisors is an integer number (24364474).

Almost surely, 2^48728947 is an apocalyptic number.

48728947 is a deficient number, since it is larger than the sum of its proper divisors (1).

48728947 is an equidigital number, since it uses as much as digits as its factorization.

48728947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 49.

The square root of 48728947 is about 6980.6122224344. The cubic root of 48728947 is about 365.2545843824.

The spelling of 48728947 in words is "forty-eight million, seven hundred twenty-eight thousand, nine hundred forty-seven".