427825087 has 2 divisors, whose sum is σ = 427825088. Its totient is φ = 427825086.

The previous prime is 427825007. The next prime is 427825127. The reversal of 427825087 is 780528724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427825087 - 2²⁷ = 293607359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427825007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213912543 + 213912544.

It is an arithmetic number, because the mean of its divisors is an integer number (213912544).

Almost surely, 2^427825087 is an apocalyptic number.

427825087 is a deficient number, since it is larger than the sum of its proper divisors (1).

427825087 is an equidigital number, since it uses as much as digits as its factorization.

427825087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 427825087 is about 20683.9330640959. The cubic root of 427825087 is about 753.5095294698.

The spelling of 427825087 in words is "four hundred twenty-seven million, eight hundred twenty-five thousand, eighty-seven".