48782857 has 2 divisors, whose sum is σ = 48782858. Its totient is φ = 48782856.

The previous prime is 48782849. The next prime is 48782863. The reversal of 48782857 is 75828784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47734281 + 1048576 = 6909^2 + 1024^2 .

It is a cyclic number.

It is not a de Polignac number, because 48782857 - 2³ = 48782849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48782857.

It is not a weakly prime, because it can be changed into another prime (48782807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24391428 + 24391429.

It is an arithmetic number, because the mean of its divisors is an integer number (24391429).

Almost surely, 2^48782857 is an apocalyptic number.

It is an amenable number.

48782857 is a deficient number, since it is larger than the sum of its proper divisors (1).

48782857 is an equidigital number, since it uses as much as digits as its factorization.

48782857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1003520, while the sum is 49.

The square root of 48782857 is about 6984.4725641955. The cubic root of 48782857 is about 365.3892313689.

The spelling of 48782857 in words is "forty-eight million, seven hundred eighty-two thousand, eight hundred fifty-seven".