11907349887 has 8 divisors (see below), whose sum is σ = 16176022704. Its totient is φ = 7788455168.

The previous prime is 11907349823. The next prime is 11907349889. The reversal of 11907349887 is 78894370911.

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 11907349887 - 2⁶ = 11907349823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11907349889) 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, 37444338 + ... + 37444655.

It is an arithmetic number, because the mean of its divisors is an integer number (2022002838).

Almost surely, 2^11907349887 is an apocalyptic number.

11907349887 is a deficient number, since it is larger than the sum of its proper divisors (4268672817).

11907349887 is an equidigital number, since it uses as much as digits as its factorization.

11907349887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74889049.

The product of its (nonzero) digits is 3048192, while the sum is 57.

The spelling of 11907349887 in words is "eleven billion, nine hundred seven million, three hundred forty-nine thousand, eight hundred eighty-seven".