11706639797 has 8 divisors (see below), whose sum is σ = 12216826944. Its totient is φ = 11196552928.

The previous prime is 11706639781. The next prime is 11706639809. The reversal of 11706639797 is 79793660711.

It is a happy number.

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 11706639797 - 2⁴ = 11706639781 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 (11705639797) 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, 307538 + ... + 343500.

It is an arithmetic number, because the mean of its divisors is an integer number (1527103368).

Almost surely, 2^11706639797 is an apocalyptic number.

It is an amenable number.

11706639797 is a deficient number, since it is larger than the sum of its proper divisors (510187147).

11706639797 is a wasteful number, since it uses less digits than its factorization.

11706639797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50139.

The product of its (nonzero) digits is 3000564, while the sum is 56.

The spelling of 11706639797 in words is "eleven billion, seven hundred six million, six hundred thirty-nine thousand, seven hundred ninety-seven".