688098130 has 16 divisors (see below), whose sum is σ = 1292428224. Its totient is φ = 263272240.

The previous prime is 688098119. The next prime is 688098157. The reversal of 688098130 is 31890886.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1495636 + ... + 1496095.

It is an arithmetic number, because the mean of its divisors is an integer number (80776764).

Almost surely, 2^688098130 is an apocalyptic number.

688098130 is a deficient number, since it is larger than the sum of its proper divisors (604330094).

688098130 is a wasteful number, since it uses less digits than its factorization.

688098130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991761.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 688098130 is about 26231.6246161003. The cubic root of 688098130 is about 882.8429620345.

The spelling of 688098130 in words is "six hundred eighty-eight million, ninety-eight thousand, one hundred thirty".