1085025808 has 10 divisors (see below), whose sum is σ = 2102237534. Its totient is φ = 542512896.

The previous prime is 1085025803. The next prime is 1085025811. The reversal of 1085025808 is 8085205801.

It can be written as a sum of positive squares in only one way, i.e., 556393744 + 528632064 = 23588^2 + 22992^2 .

It is not an unprimeable number, because it can be changed into a prime (1085025803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33907041 + ... + 33907072.

Almost surely, 2^1085025808 is an apocalyptic number.

It is an amenable number.

1085025808 is a deficient number, since it is larger than the sum of its proper divisors (1017211726).

1085025808 is an equidigital number, since it uses as much as digits as its factorization.

1085025808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67814121 (or 67814115 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 37.

The square root of 1085025808 is about 32939.7299321048. The cubic root of 1085025808 is about 1027.5745891788.

The spelling of 1085025808 in words is "one billion, eighty-five million, twenty-five thousand, eight hundred eight".