1487878115 has 4 divisors (see below), whose sum is σ = 1785453744. Its totient is φ = 1190302488.

The previous prime is 1487878099. The next prime is 1487878123. The reversal of 1487878115 is 5118787841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5118787841 = 1069 ⋅4788389.

It is a cyclic number.

It is not a de Polignac number, because 1487878115 - 2⁴ = 1487878099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 148787807 + ... + 148787816.

It is an arithmetic number, because the mean of its divisors is an integer number (446363436).

Almost surely, 2^1487878115 is an apocalyptic number.

1487878115 is a deficient number, since it is larger than the sum of its proper divisors (297575629).

1487878115 is an equidigital number, since it uses as much as digits as its factorization.

1487878115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297575628.

The product of its digits is 501760, while the sum is 50.

The square root of 1487878115 is about 38573.0231509017. The cubic root of 1487878115 is about 1141.6223221331.

The spelling of 1487878115 in words is "one billion, four hundred eighty-seven million, eight hundred seventy-eight thousand, one hundred fifteen".