11778274379 has 2 divisors, whose sum is σ = 11778274380. Its totient is φ = 11778274378.

The previous prime is 11778274301. The next prime is 11778274423. The reversal of 11778274379 is 97347287711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11778274379 - 2¹⁶ = 11778208843 is a prime.

It is not a weakly prime, because it can be changed into another prime (11778274579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5889137189 + 5889137190.

It is an arithmetic number, because the mean of its divisors is an integer number (5889137190).

Almost surely, 2^11778274379 is an apocalyptic number.

11778274379 is a deficient number, since it is larger than the sum of its proper divisors (1).

11778274379 is an equidigital number, since it uses as much as digits as its factorization.

11778274379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4148928, while the sum is 56.

The spelling of 11778274379 in words is "eleven billion, seven hundred seventy-eight million, two hundred seventy-four thousand, three hundred seventy-nine".