1487789044 has 12 divisors (see below), whose sum is σ = 2975578144. Its totient is φ = 637623864.

The previous prime is 1487789041. The next prime is 1487789057. The reversal of 1487789044 is 4409877841.

It is a happy number.

1487789044 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1487788982 and 1487789000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1487789041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26567634 + ... + 26567689.

Almost surely, 2^1487789044 is an apocalyptic number.

1487789044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1487789044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1487789044 is a wasteful number, since it uses less digits than its factorization.

1487789044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53135334 (or 53135332 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 52.

The square root of 1487789044 is about 38571.8685572789. The cubic root of 1487789044 is about 1141.5995408157.

The spelling of 1487789044 in words is "one billion, four hundred eighty-seven million, seven hundred eighty-nine thousand, forty-four".