77240014373 has 2 divisors, whose sum is σ = 77240014374. Its totient is φ = 77240014372.

The previous prime is 77240014363. The next prime is 77240014381. The reversal of 77240014373 is 37341004277.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73654160449 + 3585853924 = 271393^2 + 59882^2 .

It is an emirp because it is prime and its reverse (37341004277) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77240014373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77240014363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38620007186 + 38620007187.

It is an arithmetic number, because the mean of its divisors is an integer number (38620007187).

Almost surely, 2^77240014373 is an apocalyptic number.

It is an amenable number.

77240014373 is a deficient number, since it is larger than the sum of its proper divisors (1).

77240014373 is an equidigital number, since it uses as much as digits as its factorization.

77240014373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 38.

The spelling of 77240014373 in words is "seventy-seven billion, two hundred forty million, fourteen thousand, three hundred seventy-three".