46809887 has 2 divisors, whose sum is σ = 46809888. Its totient is φ = 46809886.

The previous prime is 46809883. The next prime is 46809943. The reversal of 46809887 is 78890864.

46809887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46809887 - 2² = 46809883 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 (46809883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23404943 + 23404944.

It is an arithmetic number, because the mean of its divisors is an integer number (23404944).

Almost surely, 2^46809887 is an apocalyptic number.

46809887 is a deficient number, since it is larger than the sum of its proper divisors (1).

46809887 is an equidigital number, since it uses as much as digits as its factorization.

46809887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 46809887 is about 6841.7751351532. The cubic root of 46809887 is about 360.3953655329.

The spelling of 46809887 in words is "forty-six million, eight hundred nine thousand, eight hundred eighty-seven".