77011379 has 2 divisors, whose sum is σ = 77011380. Its totient is φ = 77011378.

The previous prime is 77011369. The next prime is 77011447. The reversal of 77011379 is 97311077.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77011379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (77011369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38505689 + 38505690.

It is an arithmetic number, because the mean of its divisors is an integer number (38505690).

Almost surely, 2^77011379 is an apocalyptic number.

77011379 is a deficient number, since it is larger than the sum of its proper divisors (1).

77011379 is an equidigital number, since it uses as much as digits as its factorization.

77011379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9261, while the sum is 35.

The square root of 77011379 is about 8775.6127421394. The cubic root of 77011379 is about 425.4530421533.

The spelling of 77011379 in words is "seventy-seven million, eleven thousand, three hundred seventy-nine".