428327087 has 8 divisors (see below), whose sum is σ = 453768336. Its totient is φ = 402913152.

The previous prime is 428327077. The next prime is 428327101. The reversal of 428327087 is 780723824.

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 428327087 - 2⁸ = 428326831 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 (428327017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31733 + ... + 43169.

It is an arithmetic number, because the mean of its divisors is an integer number (56721042).

Almost surely, 2^428327087 is an apocalyptic number.

428327087 is a deficient number, since it is larger than the sum of its proper divisors (25441249).

428327087 is a wasteful number, since it uses less digits than its factorization.

428327087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13657.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 428327087 is about 20696.0645292771. The cubic root of 428327087 is about 753.8041311219.

The spelling of 428327087 in words is "four hundred twenty-eight million, three hundred twenty-seven thousand, eighty-seven".