11887948839 has 8 divisors (see below), whose sum is σ = 17069875312. Its totient is φ = 7315660800.

The previous prime is 11887948799. The next prime is 11887948841. The reversal of 11887948839 is 93884978811.

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

It is not a de Polignac number, because 11887948839 - 2⁷ = 11887948711 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 11887948839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11887948879) 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, 152409562 + ... + 152409639.

It is an arithmetic number, because the mean of its divisors is an integer number (2133734414).

Almost surely, 2^11887948839 is an apocalyptic number.

11887948839 is a deficient number, since it is larger than the sum of its proper divisors (5181926473).

11887948839 is a wasteful number, since it uses less digits than its factorization.

11887948839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304819217.

The product of its digits is 27869184, while the sum is 66.

The spelling of 11887948839 in words is "eleven billion, eight hundred eighty-seven million, nine hundred forty-eight thousand, eight hundred thirty-nine".