1878063663 has 8 divisors (see below), whose sum is σ = 2861811328. Its totient is φ = 1073179224.

The previous prime is 1878063653. The next prime is 1878063697. The reversal of 1878063663 is 3663608781.

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

It is not a de Polignac number, because 1878063663 - 2²⁴ = 1861286447 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 (1878063653) 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, 44715781 + ... + 44715822.

It is an arithmetic number, because the mean of its divisors is an integer number (357726416).

Almost surely, 2^1878063663 is an apocalyptic number.

1878063663 is a deficient number, since it is larger than the sum of its proper divisors (983747665).

1878063663 is an equidigital number, since it uses as much as digits as its factorization.

1878063663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89431613.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 1878063663 is about 43336.6318834309. The cubic root of 1878063663 is about 1233.7772843851. Note that the first 3 decimals are identical.

The spelling of 1878063663 in words is "one billion, eight hundred seventy-eight million, sixty-three thousand, six hundred sixty-three".