663277711394 has 8 divisors (see below), whose sum is σ = 995351605248. Its totient is φ = 331493842980.

The previous prime is 663277711391. The next prime is 663277711423. The reversal of 663277711394 is 493117772366.

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

It is not an unprimeable number, because it can be changed into a prime (663277711391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72500642 + ... + 72509789.

It is an arithmetic number, because the mean of its divisors is an integer number (124418950656).

Almost surely, 2^663277711394 is an apocalyptic number.

663277711394 is a deficient number, since it is larger than the sum of its proper divisors (332073893854).

663277711394 is a wasteful number, since it uses less digits than its factorization.

663277711394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145012720.

The product of its digits is 8001504, while the sum is 56.

The spelling of 663277711394 in words is "six hundred sixty-three billion, two hundred seventy-seven million, seven hundred eleven thousand, three hundred ninety-four".