11764731779 has 2 divisors, whose sum is σ = 11764731780. Its totient is φ = 11764731778.

The previous prime is 11764731767. The next prime is 11764731917. The reversal of 11764731779 is 97713746711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11764731779 - 2¹² = 11764727683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11764731779.

It is not a weakly prime, because it can be changed into another prime (11764731079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5882365889 + 5882365890.

It is an arithmetic number, because the mean of its divisors is an integer number (5882365890).

Almost surely, 2^11764731779 is an apocalyptic number.

11764731779 is a deficient number, since it is larger than the sum of its proper divisors (1).

11764731779 is an equidigital number, since it uses as much as digits as its factorization.

11764731779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555848, while the sum is 53.

The spelling of 11764731779 in words is "eleven billion, seven hundred sixty-four million, seven hundred thirty-one thousand, seven hundred seventy-nine".