49478087 has 2 divisors, whose sum is σ = 49478088. Its totient is φ = 49478086.

The previous prime is 49478069. The next prime is 49478113. The reversal of 49478087 is 78087494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49478087 - 2¹⁶ = 49412551 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49478027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24739043 + 24739044.

It is an arithmetic number, because the mean of its divisors is an integer number (24739044).

Almost surely, 2^49478087 is an apocalyptic number.

49478087 is a deficient number, since it is larger than the sum of its proper divisors (1).

49478087 is an equidigital number, since it uses as much as digits as its factorization.

49478087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 49478087 is about 7034.0661782500. The cubic root of 49478087 is about 367.1168345087.

The spelling of 49478087 in words is "forty-nine million, four hundred seventy-eight thousand, eighty-seven".