11777622147 has 12 divisors (see below), whose sum is σ = 17013205560. Its totient is φ = 7851247488.

The previous prime is 11777622139. The next prime is 11777622161. The reversal of 11777622147 is 74122677711.

11777622147 is a `hidden beast` number, since 1 + 1 + 7 + 7 + 7 + 622 + 14 + 7 = 666.

It is not a de Polignac number, because 11777622147 - 2³ = 11777622139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11777622347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157203 + ... + 219699.

It is an arithmetic number, because the mean of its divisors is an integer number (1417767130).

Almost surely, 2^11777622147 is an apocalyptic number.

11777622147 is a deficient number, since it is larger than the sum of its proper divisors (5235583413).

11777622147 is a wasteful number, since it uses less digits than its factorization.

11777622147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83442 (or 83439 counting only the distinct ones).

The product of its digits is 230496, while the sum is 45.

The spelling of 11777622147 in words is "eleven billion, seven hundred seventy-seven million, six hundred twenty-two thousand, one hundred forty-seven".