77115323 has 2 divisors, whose sum is σ = 77115324. Its totient is φ = 77115322.

The previous prime is 77115317. The next prime is 77115331. The reversal of 77115323 is 32351177.

It is a weak prime.

It is an emirp because it is prime and its reverse (32351177) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77115323 - 2⁴ = 77115307 is a prime.

It is not a weakly prime, because it can be changed into another prime (77117323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38557661 + 38557662.

It is an arithmetic number, because the mean of its divisors is an integer number (38557662).

Almost surely, 2^77115323 is an apocalyptic number.

77115323 is a deficient number, since it is larger than the sum of its proper divisors (1).

77115323 is an equidigital number, since it uses as much as digits as its factorization.

77115323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4410, while the sum is 29.

The square root of 77115323 is about 8781.5330666120. The cubic root of 77115323 is about 425.6443706302.

The spelling of 77115323 in words is "seventy-seven million, one hundred fifteen thousand, three hundred twenty-three".