77349463 has 2 divisors, whose sum is σ = 77349464. Its totient is φ = 77349462.

The previous prime is 77349431. The next prime is 77349479. The reversal of 77349463 is 36494377.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77349463 - 2⁵ = 77349431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77349163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38674731 + 38674732.

It is an arithmetic number, because the mean of its divisors is an integer number (38674732).

Almost surely, 2^77349463 is an apocalyptic number.

77349463 is a deficient number, since it is larger than the sum of its proper divisors (1).

77349463 is an equidigital number, since it uses as much as digits as its factorization.

77349463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 43.

The square root of 77349463 is about 8794.8543478559. The cubic root of 77349463 is about 426.0747203750.

The spelling of 77349463 in words is "seventy-seven million, three hundred forty-nine thousand, four hundred sixty-three".