11877789239 has 4 divisors (see below), whose sum is σ = 11878229520. Its totient is φ = 11877348960.

The previous prime is 11877789233. The next prime is 11877789241. The reversal of 11877789239 is 93298777811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93298777811 = 271357 ⋅343823.

It is a cyclic number.

It is not a de Polignac number, because 11877789239 - 2¹⁶ = 11877723703 is a prime.

It is a super-2 number, since 2×11877789239² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11877789233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176834 + ... + 234575.

It is an arithmetic number, because the mean of its divisors is an integer number (2969557380).

Almost surely, 2^11877789239 is an apocalyptic number.

11877789239 is a deficient number, since it is larger than the sum of its proper divisors (440281).

11877789239 is an equidigital number, since it uses as much as digits as its factorization.

11877789239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440280.

The product of its digits is 10668672, while the sum is 62.

The spelling of 11877789239 in words is "eleven billion, eight hundred seventy-seven million, seven hundred eighty-nine thousand, two hundred thirty-nine".