1487729828 has 12 divisors (see below), whose sum is σ = 2803798620. Its totient is φ = 686644512.

The previous prime is 1487729827. The next prime is 1487729833. The reversal of 1487729828 is 8289277841.

It can be written as a sum of positive squares in 2 ways, for example, as 102252544 + 1385477284 = 10112^2 + 37222^2 .

It is a super-2 number, since 2×1487729828² = 4426680082241819168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1487729821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14305043 + ... + 14305146.

It is an arithmetic number, because the mean of its divisors is an integer number (233649885).

Almost surely, 2^1487729828 is an apocalyptic number.

It is an amenable number.

1487729828 is a deficient number, since it is larger than the sum of its proper divisors (1316068792).

1487729828 is a wasteful number, since it uses less digits than its factorization.

1487729828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28610206 (or 28610204 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 56.

The square root of 1487729828 is about 38571.1009435821. The cubic root of 1487729828 is about 1141.5843948836.

The spelling of 1487729828 in words is "one billion, four hundred eighty-seven million, seven hundred twenty-nine thousand, eight hundred twenty-eight".