607131688 has 8 divisors (see below), whose sum is σ = 1138371930. Its totient is φ = 303565840.

The previous prime is 607131661. The next prime is 607131697. The reversal of 607131688 is 886131706.

It can be written as a sum of positive squares in only one way, i.e., 606045924 + 1085764 = 24618^2 + 1042^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 607131688.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37945723 + ... + 37945738.

Almost surely, 2^607131688 is an apocalyptic number.

It is an amenable number.

607131688 is a deficient number, since it is larger than the sum of its proper divisors (531240242).

607131688 is a wasteful number, since it uses less digits than its factorization.

607131688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75891467 (or 75891463 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 607131688 is about 24640.0423700934. The cubic root of 607131688 is about 846.7612334352.

The spelling of 607131688 in words is "six hundred seven million, one hundred thirty-one thousand, six hundred eighty-eight".