800663629 has 8 divisors (see below), whose sum is σ = 869991680. Its totient is φ = 734054400.

The previous prime is 800663627. The next prime is 800663641. The reversal of 800663629 is 926366008.

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 800663629 - 2¹ = 800663627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 800663591 and 800663600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800663627) 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, 679092 + ... + 680269.

It is an arithmetic number, because the mean of its divisors is an integer number (108748960).

Almost surely, 2^800663629 is an apocalyptic number.

It is an amenable number.

800663629 is a deficient number, since it is larger than the sum of its proper divisors (69328051).

800663629 is a wasteful number, since it uses less digits than its factorization.

800663629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359411.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 800663629 is about 28296.0002297144. Note that the first 3 decimals coincide. The cubic root of 800663629 is about 928.5743868567.

The spelling of 800663629 in words is "eight hundred million, six hundred sixty-three thousand, six hundred twenty-nine".