1028787162 has 48 divisors (see below), whose sum is σ = 2234737440. Its totient is φ = 315596736.

The previous prime is 1028787161. The next prime is 1028787163. The reversal of 1028787162 is 2617878201.

It is an interprime number because it is at equal distance from previous prime (1028787161) and next prime (1028787163).

It is not an unprimeable number, because it can be changed into a prime (1028787161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 382968 + ... + 385644.

It is an arithmetic number, because the mean of its divisors is an integer number (46557030).

Almost surely, 2^1028787162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1028787162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1117368720).

1028787162 is an abundant number, since it is smaller than the sum of its proper divisors (1205950278).

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

1028787162 is a wasteful number, since it uses less digits than its factorization.

1028787162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3087 (or 3074 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 42.

The square root of 1028787162 is about 32074.7121888880. The cubic root of 1028787162 is about 1009.5050877230.

The spelling of 1028787162 in words is "one billion, twenty-eight million, seven hundred eighty-seven thousand, one hundred sixty-two".