77294423 has 2 divisors, whose sum is σ = 77294424. Its totient is φ = 77294422.

The previous prime is 77294417. The next prime is 77294429. The reversal of 77294423 is 32449277.

It is a balanced prime because it is at equal distance from previous prime (77294417) and next prime (77294429).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77294423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77294429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38647211 + 38647212.

It is an arithmetic number, because the mean of its divisors is an integer number (38647212).

Almost surely, 2^77294423 is an apocalyptic number.

77294423 is a deficient number, since it is larger than the sum of its proper divisors (1).

77294423 is an equidigital number, since it uses as much as digits as its factorization.

77294423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 38.

The square root of 77294423 is about 8791.7246885921. The cubic root of 77294423 is about 425.9736349190.

The spelling of 77294423 in words is "seventy-seven million, two hundred ninety-four thousand, four hundred twenty-three".