77667323 has 2 divisors, whose sum is σ = 77667324. Its totient is φ = 77667322.

The previous prime is 77667301. The next prime is 77667367. The reversal of 77667323 is 32376677.

It is a weak prime.

It is an emirp because it is prime and its reverse (32376677) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77667323 - 2⁶ = 77667259 is a prime.

It is a super-3 number, since 3×77667323³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (77661323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38833661 + 38833662.

It is an arithmetic number, because the mean of its divisors is an integer number (38833662).

Almost surely, 2^77667323 is an apocalyptic number.

77667323 is a deficient number, since it is larger than the sum of its proper divisors (1).

77667323 is an equidigital number, since it uses as much as digits as its factorization.

77667323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 222264, while the sum is 41.

The square root of 77667323 is about 8812.9066147327. The cubic root of 77667323 is about 426.6575600948.

The spelling of 77667323 in words is "seventy-seven million, six hundred sixty-seven thousand, three hundred twenty-three".