1485408847 has 24 divisors (see below), whose sum is σ = 1788827600. Its totient is φ = 1222511616.

The previous prime is 1485408829. The next prime is 1485408851. The reversal of 1485408847 is 7488045841.

It is a de Polignac number, because none of the positive numbers 2^k-1485408847 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1485408847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485408247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60979 + ... + 81787.

Almost surely, 2^1485408847 is an apocalyptic number.

1485408847 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1485408847 is a deficient number, since it is larger than the sum of its proper divisors (303418753).

1485408847 is a wasteful number, since it uses less digits than its factorization.

1485408847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20875 (or 20858 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 49.

The square root of 1485408847 is about 38541.0021535507. The cubic root of 1485408847 is about 1140.9904306888.

The spelling of 1485408847 in words is "one billion, four hundred eighty-five million, four hundred eight thousand, eight hundred forty-seven".