6988625604 has 27 divisors (see below), whose sum is σ = 17666960493. Its totient is φ = 2329374672.

The previous prime is 6988625573. The next prime is 6988625617. The reversal of 6988625604 is 4065268896.

It is a happy number.

The square root of 6988625604 is 83598.

It is a perfect power (a square), and thus also a powerful number.

6988625604 is a `hidden beast` number, since 6 + 9 + 8 + 8 + 6 + 25 + 604 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6970580100 + 18045504 = 83490^2 + 4248^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 494622 + ... + 508554.

Almost surely, 2^6988625604 is an apocalyptic number.

6988625604 is the 83598-th square number.

It is an amenable number.

6988625604 is an abundant number, since it is smaller than the sum of its proper divisors (10678334889).

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

6988625604 is an equidigital number, since it uses as much as digits as its factorization.

6988625604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27876 (or 13938 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The cubic root of 6988625604 is about 1911.8945050277.

The spelling of 6988625604 in words is "six billion, nine hundred eighty-eight million, six hundred twenty-five thousand, six hundred four".