6625412885 has 32 divisors (see below), whose sum is σ = 9805017600. Its totient is φ = 4185186048.

The previous prime is 6625412831. The next prime is 6625412887. The reversal of 6625412885 is 5882145266.

It is a cyclic number.

It is not a de Polignac number, because 6625412885 - 2²⁴ = 6608635669 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6625412887) 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, 214391 + ... + 243339.

It is an arithmetic number, because the mean of its divisors is an integer number (306406800).

Almost surely, 2^6625412885 is an apocalyptic number.

6625412885 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6625412885 is a deficient number, since it is larger than the sum of its proper divisors (3179604715).

6625412885 is a wasteful number, since it uses less digits than its factorization.

6625412885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29477.

The product of its digits is 921600, while the sum is 47.

The square root of 6625412885 is about 81396.6392733754. The cubic root of 6625412885 is about 1878.1818930055.

The spelling of 6625412885 in words is "six billion, six hundred twenty-five million, four hundred twelve thousand, eight hundred eighty-five".