1085785488 has 60 divisors (see below), whose sum is σ = 3040917100. Its totient is φ = 361663488.

The previous prime is 1085785487. The next prime is 1085785489. The reversal of 1085785488 is 8845875801.

1085785488 is a `hidden beast` number, since 1 + 0 + 85 + 7 + 85 + 488 = 666.

It is an interprime number because it is at equal distance from previous prime (1085785487) and next prime (1085785489).

It can be written as a sum of positive squares in 2 ways, for example, as 437981184 + 647804304 = 20928^2 + 25452^2 .

It is not an unprimeable number, because it can be changed into a prime (1085785483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354588 + ... + 357636.

Almost surely, 2^1085785488 is an apocalyptic number.

1085785488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1085785488 is an abundant number, since it is smaller than the sum of its proper divisors (1955131612).

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

1085785488 is a wasteful number, since it uses less digits than its factorization.

1085785488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5536 (or 5527 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 54.

The square root of 1085785488 is about 32951.2592779092. The cubic root of 1085785488 is about 1027.8143517551.

The spelling of 1085785488 in words is "one billion, eighty-five million, seven hundred eighty-five thousand, four hundred eighty-eight".