471906887 has 2 divisors, whose sum is σ = 471906888. Its totient is φ = 471906886.

The previous prime is 471906863. The next prime is 471906943. The reversal of 471906887 is 788609174.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 471906887 - 2⁶ = 471906823 is a prime.

It is a super-2 number, since 2×471906887² = 445392219996061538, 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 (471906817) 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, 235953443 + 235953444.

It is an arithmetic number, because the mean of its divisors is an integer number (235953444).

Almost surely, 2^471906887 is an apocalyptic number.

471906887 is a deficient number, since it is larger than the sum of its proper divisors (1).

471906887 is an equidigital number, since it uses as much as digits as its factorization.

471906887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 471906887 is about 21723.4179400940. The cubic root of 471906887 is about 778.5480808562.

The spelling of 471906887 in words is "four hundred seventy-one million, nine hundred six thousand, eight hundred eighty-seven".