38812555663 has 8 divisors (see below), whose sum is σ = 45194135328. Its totient is φ = 32640208224.

The previous prime is 38812555609. The next prime is 38812555669. The reversal of 38812555663 is 36655521883.

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 38812555663 - 2⁹ = 38812555151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38812555663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38812555669) 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, 52307656 + ... + 52308397.

It is an arithmetic number, because the mean of its divisors is an integer number (5649266916).

Almost surely, 2^38812555663 is an apocalyptic number.

38812555663 is a deficient number, since it is larger than the sum of its proper divisors (6381579665).

38812555663 is a wasteful number, since it uses less digits than its factorization.

38812555663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104616113.

The product of its digits is 5184000, while the sum is 52.

The spelling of 38812555663 in words is "thirty-eight billion, eight hundred twelve million, five hundred fifty-five thousand, six hundred sixty-three".