11942836477 has 16 divisors (see below), whose sum is σ = 14042629440. Its totient is φ = 10013472000.

The previous prime is 11942836439. The next prime is 11942836523. The reversal of 11942836477 is 77463824911.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11942836477 - 2¹¹ = 11942834429 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 (11942836177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136974 + ... + 206512.

It is an arithmetic number, because the mean of its divisors is an integer number (877664340).

Almost surely, 2^11942836477 is an apocalyptic number.

It is an amenable number.

11942836477 is a deficient number, since it is larger than the sum of its proper divisors (2099792963).

11942836477 is a wasteful number, since it uses less digits than its factorization.

11942836477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70764.

The product of its digits is 2032128, while the sum is 52.

The spelling of 11942836477 in words is "eleven billion, nine hundred forty-two million, eight hundred thirty-six thousand, four hundred seventy-seven".