77450323 has 2 divisors, whose sum is σ = 77450324. Its totient is φ = 77450322.

The previous prime is 77450311. The next prime is 77450339. The reversal of 77450323 is 32305477.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77450323 is a prime.

It is not a weakly prime, because it can be changed into another prime (77450363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38725161 + 38725162.

It is an arithmetic number, because the mean of its divisors is an integer number (38725162).

Almost surely, 2^77450323 is an apocalyptic number.

77450323 is a deficient number, since it is larger than the sum of its proper divisors (1).

77450323 is an equidigital number, since it uses as much as digits as its factorization.

77450323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 77450323 is about 8800.5865145455. The cubic root of 77450323 is about 426.2598336239.

The spelling of 77450323 in words is "seventy-seven million, four hundred fifty thousand, three hundred twenty-three".