77146980983 has 2 divisors, whose sum is σ = 77146980984. Its totient is φ = 77146980982.

The previous prime is 77146980971. The next prime is 77146981039. The reversal of 77146980983 is 38908964177.

It is a weak prime.

It is an emirp because it is prime and its reverse (38908964177) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77146980983 - 2⁶ = 77146980919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77946980983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38573490491 + 38573490492.

It is an arithmetic number, because the mean of its divisors is an integer number (38573490492).

Almost surely, 2^77146980983 is an apocalyptic number.

77146980983 is a deficient number, since it is larger than the sum of its proper divisors (1).

77146980983 is an equidigital number, since it uses as much as digits as its factorization.

77146980983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18289152, while the sum is 62.

The spelling of 77146980983 in words is "seventy-seven billion, one hundred forty-six million, nine hundred eighty thousand, nine hundred eighty-three".