630055799 has 8 divisors (see below), whose sum is σ = 634766592. Its totient is φ = 625355640.

The previous prime is 630055787. The next prime is 630055801. The reversal of 630055799 is 997550036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 630055799 - 2¹² = 630051703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630055709) 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, 146372 + ... + 150614.

It is an arithmetic number, because the mean of its divisors is an integer number (79345824).

Almost surely, 2^630055799 is an apocalyptic number.

630055799 is a deficient number, since it is larger than the sum of its proper divisors (4710793).

630055799 is a wasteful number, since it uses less digits than its factorization.

630055799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5317.

The product of its (nonzero) digits is 255150, while the sum is 44.

The square root of 630055799 is about 25100.9123140973. The cubic root of 630055799 is about 857.2871966673.

The spelling of 630055799 in words is "six hundred thirty million, fifty-five thousand, seven hundred ninety-nine".