10938887999 has 8 divisors (see below), whose sum is σ = 11818717680. Its totient is φ = 10064540736.

The previous prime is 10938887933. The next prime is 10938888001. The reversal of 10938887999 is 99978883901.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10938887999 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 (10938883999) 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, 1366454 + ... + 1374435.

It is an arithmetic number, because the mean of its divisors is an integer number (1477339710).

Almost surely, 2^10938887999 is an apocalyptic number.

10938887999 is a deficient number, since it is larger than the sum of its proper divisors (879829681).

10938887999 is a wasteful number, since it uses less digits than its factorization.

10938887999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741209.

The product of its (nonzero) digits is 70543872, while the sum is 71.

The spelling of 10938887999 in words is "ten billion, nine hundred thirty-eight million, eight hundred eighty-seven thousand, nine hundred ninety-nine".