6628607862 has 32 divisors (see below), whose sum is σ = 13972158720. Its totient is φ = 2090665440.

The previous prime is 6628607861. The next prime is 6628607897. The reversal of 6628607862 is 2687068266.

It is a happy number.

It is a super-2 number, since 2×6628607862² = 87876884376336422088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6628607861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58183 + ... + 129005.

It is an arithmetic number, because the mean of its divisors is an integer number (436629960).

Almost surely, 2^6628607862 is an apocalyptic number.

6628607862 is an abundant number, since it is smaller than the sum of its proper divisors (7343550858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6628607862 is a wasteful number, since it uses less digits than its factorization.

6628607862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71668.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The square root of 6628607862 is about 81416.2628840209. The cubic root of 6628607862 is about 1878.4837500989.

The spelling of 6628607862 in words is "six billion, six hundred twenty-eight million, six hundred seven thousand, eight hundred sixty-two".