1028152776 has 192 divisors, whose sum is σ = 3210854400. Its totient is φ = 267998976.

The previous prime is 1028152759. The next prime is 1028152787. The reversal of 1028152776 is 6772518201.

1028152776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2684281 + ... + 2684663.

It is an arithmetic number, because the mean of its divisors is an integer number (16723200).

Almost surely, 2^1028152776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1028152776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1605427200).

1028152776 is an abundant number, since it is smaller than the sum of its proper divisors (2182701624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1028152776 is a wasteful number, since it uses less digits than its factorization.

1028152776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 1028152776 is about 32064.8214715130. The cubic root of 1028152776 is about 1009.2975463909.

The spelling of 1028152776 in words is "one billion, twenty-eight million, one hundred fifty-two thousand, seven hundred seventy-six".