1428335087 has 8 divisors (see below), whose sum is σ = 1553229936. Its totient is φ = 1307981952.

The previous prime is 1428335063. The next prime is 1428335099. The reversal of 1428335087 is 7805338241.

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 1428335087 - 2⁶ = 1428335023 is a prime.

It is a super-2 number, since 2×1428335087² = 4080282241510595138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428335017) 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, 1134773 + ... + 1136030.

It is an arithmetic number, because the mean of its divisors is an integer number (194153742).

Almost surely, 2^1428335087 is an apocalyptic number.

1428335087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1428335087 is a deficient number, since it is larger than the sum of its proper divisors (124894849).

1428335087 is a wasteful number, since it uses less digits than its factorization.

1428335087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270857.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 1428335087 is about 37793.3206664881. The cubic root of 1428335087 is about 1126.1857685397.

The spelling of 1428335087 in words is "one billion, four hundred twenty-eight million, three hundred thirty-five thousand, eighty-seven".