471139087 has 2 divisors, whose sum is σ = 471139088. Its totient is φ = 471139086.

The previous prime is 471139079. The next prime is 471139171. The reversal of 471139087 is 780931174.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 471139087 - 2³ = 471139079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (471139387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235569543 + 235569544.

It is an arithmetic number, because the mean of its divisors is an integer number (235569544).

Almost surely, 2^471139087 is an apocalyptic number.

471139087 is a deficient number, since it is larger than the sum of its proper divisors (1).

471139087 is an equidigital number, since it uses as much as digits as its factorization.

471139087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 471139087 is about 21705.7385730134. The cubic root of 471139087 is about 778.1256149563.

The spelling of 471139087 in words is "four hundred seventy-one million, one hundred thirty-nine thousand, eighty-seven".