77331323 has 2 divisors, whose sum is σ = 77331324. Its totient is φ = 77331322.

The previous prime is 77331307. The next prime is 77331341. The reversal of 77331323 is 32313377.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77331323 - 2⁴ = 77331307 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (77331383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38665661 + 38665662.

It is an arithmetic number, because the mean of its divisors is an integer number (38665662).

Almost surely, 2^77331323 is an apocalyptic number.

77331323 is a deficient number, since it is larger than the sum of its proper divisors (1).

77331323 is an equidigital number, since it uses as much as digits as its factorization.

77331323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938, while the sum is 29.

The square root of 77331323 is about 8793.8230025399. The cubic root of 77331323 is about 426.0414100825.

The spelling of 77331323 in words is "seventy-seven million, three hundred thirty-one thousand, three hundred twenty-three".