1485783688 has 8 divisors (see below), whose sum is σ = 2785844430. Its totient is φ = 742891840.

The previous prime is 1485783671. The next prime is 1485783737. The reversal of 1485783688 is 8863875841.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1462144644 + 23639044 = 38238^2 + 4862^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92861473 + ... + 92861488.

Almost surely, 2^1485783688 is an apocalyptic number.

It is an amenable number.

1485783688 is a deficient number, since it is larger than the sum of its proper divisors (1300060742).

1485783688 is a wasteful number, since it uses less digits than its factorization.

1485783688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185722967 (or 185722963 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 58.

The square root of 1485783688 is about 38545.8647328089. The cubic root of 1485783688 is about 1141.0863984362.

The spelling of 1485783688 in words is "one billion, four hundred eighty-five million, seven hundred eighty-three thousand, six hundred eighty-eight".