3915481487 has 32 divisors (see below), whose sum is σ = 4438368000. Its totient is φ = 3437683200.

The previous prime is 3915481469. The next prime is 3915481519. The reversal of 3915481487 is 7841845193.

It is a happy number.

3915481487 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3915481487 - 2⁸ = 3915481231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3915481447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1396487 + ... + 1399287.

It is an arithmetic number, because the mean of its divisors is an integer number (138699000).

Almost surely, 2^3915481487 is an apocalyptic number.

3915481487 is a deficient number, since it is larger than the sum of its proper divisors (522886513).

3915481487 is a wasteful number, since it uses less digits than its factorization.

3915481487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2951.

The product of its digits is 967680, while the sum is 50.

The square root of 3915481487 is about 62573.8083146615. The cubic root of 3915481487 is about 1576.1409704470.

The spelling of 3915481487 in words is "three billion, nine hundred fifteen million, four hundred eighty-one thousand, four hundred eighty-seven".