1028088771 has 8 divisors (see below), whose sum is σ = 1407833424. Its totient is φ = 666868320.

The previous prime is 1028088731. The next prime is 1028088781. The reversal of 1028088771 is 1778808201.

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

It is not a de Polignac number, because 1028088771 - 2⁷ = 1028088643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1028088731) 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, 4630920 + ... + 4631141.

It is an arithmetic number, because the mean of its divisors is an integer number (175979178).

Almost surely, 2^1028088771 is an apocalyptic number.

1028088771 is a deficient number, since it is larger than the sum of its proper divisors (379744653).

1028088771 is an equidigital number, since it uses as much as digits as its factorization.

1028088771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9262101.

The product of its (nonzero) digits is 50176, while the sum is 42.

The square root of 1028088771 is about 32063.8233995885. The cubic root of 1028088771 is about 1009.2766022176.

The spelling of 1028088771 in words is "one billion, twenty-eight million, eighty-eight thousand, seven hundred seventy-one".