427100087 has 8 divisors (see below), whose sum is σ = 445876704. Its totient is φ = 408340768.

The previous prime is 427100071. The next prime is 427100099. The reversal of 427100087 is 780001724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 427100087 - 2⁴ = 427100071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427100057) 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 in 7 ways as a sum of consecutive naturals, for example, 92813 + ... + 97305.

It is an arithmetic number, because the mean of its divisors is an integer number (55734588).

Almost surely, 2^427100087 is an apocalyptic number.

427100087 is a deficient number, since it is larger than the sum of its proper divisors (18776617).

427100087 is a wasteful number, since it uses less digits than its factorization.

427100087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8649.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 427100087 is about 20666.3999525800. The cubic root of 427100087 is about 753.0836519301.

The spelling of 427100087 in words is "four hundred twenty-seven million, one hundred thousand, eighty-seven".