1085783517 has 48 divisors (see below), whose sum is σ = 2014242048. Its totient is φ = 547810560.

The previous prime is 1085783509. The next prime is 1085783521. The reversal of 1085783517 is 7153875801.

1085783517 is a `hidden beast` number, since 1 + 0 + 8 + 57 + 83 + 517 = 666.

It is not a de Polignac number, because 1085783517 - 2³ = 1085783509 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085783597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9984 + ... + 47657.

It is an arithmetic number, because the mean of its divisors is an integer number (41963376).

Almost surely, 2^1085783517 is an apocalyptic number.

It is an amenable number.

1085783517 is a deficient number, since it is larger than the sum of its proper divisors (928458531).

1085783517 is a wasteful number, since it uses less digits than its factorization.

1085783517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57690 (or 57687 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 45.

The square root of 1085783517 is about 32951.2293700857. The cubic root of 1085783517 is about 1027.8137298326.

The spelling of 1085783517 in words is "one billion, eighty-five million, seven hundred eighty-three thousand, five hundred seventeen".