663236047 has 8 divisors (see below), whose sum is σ = 673049600. Its totient is φ = 653458104.

The previous prime is 663236039. The next prime is 663236069. The reversal of 663236047 is 740632366.

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 663236047 - 2³ = 663236039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 663235997 and 663236015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663236017) 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, 29854 + ... + 47092.

It is an arithmetic number, because the mean of its divisors is an integer number (84131200).

Almost surely, 2^663236047 is an apocalyptic number.

663236047 is a deficient number, since it is larger than the sum of its proper divisors (9813553).

663236047 is a wasteful number, since it uses less digits than its factorization.

663236047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17805.

The product of its (nonzero) digits is 108864, while the sum is 37.

The square root of 663236047 is about 25753.3696241870. The cubic root of 663236047 is about 872.0794258763.

The spelling of 663236047 in words is "six hundred sixty-three million, two hundred thirty-six thousand, forty-seven".