1485788871 has 16 divisors (see below), whose sum is σ = 2342131200. Its totient is φ = 819745248.

The previous prime is 1485788861. The next prime is 1485788879. The reversal of 1485788871 is 1788875841.

It is a happy number.

It is not a de Polignac number, because 1485788871 - 2⁷ = 1485788743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485788879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1219251 + ... + 1220468.

It is an arithmetic number, because the mean of its divisors is an integer number (146383200).

Almost surely, 2^1485788871 is an apocalyptic number.

1485788871 is a deficient number, since it is larger than the sum of its proper divisors (856342329).

1485788871 is a wasteful number, since it uses less digits than its factorization.

1485788871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439758.

The product of its digits is 4014080, while the sum is 57.

The square root of 1485788871 is about 38545.9319643461. The cubic root of 1485788871 is about 1141.0877252880.

The spelling of 1485788871 in words is "one billion, four hundred eighty-five million, seven hundred eighty-eight thousand, eight hundred seventy-one".