6487207538 has 32 divisors (see below), whose sum is σ = 11177946624. Its totient is φ = 2766016512.

The previous prime is 6487207537. The next prime is 6487207553. The reversal of 6487207538 is 8357027846.

It is a super-3 number, since 3×6487207538³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (6487207537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2721095 + ... + 2723477.

It is an arithmetic number, because the mean of its divisors is an integer number (349310832).

Almost surely, 2^6487207538 is an apocalyptic number.

6487207538 is a deficient number, since it is larger than the sum of its proper divisors (4690739086).

6487207538 is a wasteful number, since it uses less digits than its factorization.

6487207538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The square root of 6487207538 is about 80543.2029286147. The cubic root of 6487207538 is about 1865.0304664790.

The spelling of 6487207538 in words is "six billion, four hundred eighty-seven million, two hundred seven thousand, five hundred thirty-eight".