634088912208 has 40 divisors (see below), whose sum is σ = 1638116508000. Its totient is φ = 211356069504.

The previous prime is 634088912207. The next prime is 634088912227. The reversal of 634088912208 is 802219880436.

It is a Cunningham number, because it is equal to 796297²-1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634088912203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1393518 + ... + 1791666.

It is an arithmetic number, because the mean of its divisors is an integer number (40952912700).

Almost surely, 2^634088912208 is an apocalyptic number.

It is an amenable number.

634088912208 is an abundant number, since it is smaller than the sum of its proper divisors (1004027595792).

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

634088912208 is a wasteful number, since it uses less digits than its factorization.

634088912208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431339 (or 431333 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 634088912208 in words is "six hundred thirty-four billion, eighty-eight million, nine hundred twelve thousand, two hundred eight".