7663625888 has 24 divisors (see below), whose sum is σ = 15495543252. Its totient is φ = 3728249856.

The previous prime is 7663625887. The next prime is 7663625899. The reversal of 7663625888 is 8885263667.

It can be written as a sum of positive squares in 2 ways, for example, as 7411832464 + 251793424 = 86092^2 + 15868^2 .

It is not an unprimeable number, because it can be changed into a prime (7663625881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3235145 + ... + 3237512.

Almost surely, 2^7663625888 is an apocalyptic number.

It is an amenable number.

7663625888 is an abundant number, since it is smaller than the sum of its proper divisors (7831917364).

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

7663625888 is a wasteful number, since it uses less digits than its factorization.

7663625888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6472704 (or 6472696 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 59.

The square root of 7663625888 is about 87542.1377851832. The cubic root of 7663625888 is about 1971.5665078830.

The spelling of 7663625888 in words is "seven billion, six hundred sixty-three million, six hundred twenty-five thousand, eight hundred eighty-eight".