6625565487 has 18 divisors (see below), whose sum is σ = 10100474592. Its totient is φ = 4184565624.

The previous prime is 6625565473. The next prime is 6625565497. The reversal of 6625565487 is 7845655266.

6625565487 is a `hidden beast` number, since 6 + 6 + 2 + 556 + 5 + 4 + 87 = 666.

6625565487 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 6625565487 - 2¹² = 6625561391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6625565497) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1016383 + ... + 1022880.

Almost surely, 2^6625565487 is an apocalyptic number.

6625565487 is a deficient number, since it is larger than the sum of its proper divisors (3474909105).

6625565487 is a wasteful number, since it uses less digits than its factorization.

6625565487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039307 (or 2039285 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 54.

The square root of 6625565487 is about 81397.5766654020. The cubic root of 6625565487 is about 1878.1963128421.

The spelling of 6625565487 in words is "six billion, six hundred twenty-five million, five hundred sixty-five thousand, four hundred eighty-seven".