630888117 has 16 divisors (see below), whose sum is σ = 855200640. Its totient is φ = 413640000.

The previous prime is 630888109. The next prime is 630888143. The reversal of 630888117 is 711888036.

It is not a de Polignac number, because 630888117 - 2³ = 630888109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630888187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38859 + ... + 52647.

It is an arithmetic number, because the mean of its divisors is an integer number (53450040).

Almost surely, 2^630888117 is an apocalyptic number.

It is an amenable number.

630888117 is a deficient number, since it is larger than the sum of its proper divisors (224312523).

630888117 is a wasteful number, since it uses less digits than its factorization.

630888117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14044.

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 630888117 is about 25117.4862794827. The cubic root of 630888117 is about 857.6645291711.

The spelling of 630888117 in words is "six hundred thirty million, eight hundred eighty-eight thousand, one hundred seventeen".