77673050407 has 2 divisors, whose sum is σ = 77673050408. Its totient is φ = 77673050406.

The previous prime is 77673050383. The next prime is 77673050447. The reversal of 77673050407 is 70405037677.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77673050407 - 2²³ = 77664661799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77673050447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38836525203 + 38836525204.

It is an arithmetic number, because the mean of its divisors is an integer number (38836525204).

Almost surely, 2^77673050407 is an apocalyptic number.

77673050407 is a deficient number, since it is larger than the sum of its proper divisors (1).

77673050407 is an equidigital number, since it uses as much as digits as its factorization.

77673050407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864360, while the sum is 46.

The spelling of 77673050407 in words is "seventy-seven billion, six hundred seventy-three million, fifty thousand, four hundred seven".