6487440375 has 64 divisors (see below), whose sum is σ = 12131159040. Its totient is φ = 3054902400.

The previous prime is 6487440367. The next prime is 6487440391. The reversal of 6487440375 is 5730447846.

It is a happy number.

It is not a de Polignac number, because 6487440375 - 2³ = 6487440367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 83196 + ... + 141054.

It is an arithmetic number, because the mean of its divisors is an integer number (189549360).

Almost surely, 2^6487440375 is an apocalyptic number.

6487440375 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6487440375 is a deficient number, since it is larger than the sum of its proper divisors (5643718665).

6487440375 is a wasteful number, since it uses less digits than its factorization.

6487440375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57913 (or 57903 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 48.

The square root of 6487440375 is about 80544.6483324622. The cubic root of 6487440375 is about 1865.0527792590.

The spelling of 6487440375 in words is "six billion, four hundred eighty-seven million, four hundred forty thousand, three hundred seventy-five".