980013999977 has 2 divisors, whose sum is σ = 980013999978. Its totient is φ = 980013999976.

The previous prime is 980013999959. The next prime is 980013999983. The reversal of 980013999977 is 779999310089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 920791857241 + 59222142736 = 959579^2 + 243356^2 .

It is an emirp because it is prime and its reverse (779999310089) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 980013999977 - 2³⁶ = 911294523241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 980013999977.

It is not a weakly prime, because it can be changed into another prime (980013999917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490006999988 + 490006999989.

It is an arithmetic number, because the mean of its divisors is an integer number (490006999989).

Almost surely, 2^980013999977 is an apocalyptic number.

It is an amenable number.

980013999977 is a deficient number, since it is larger than the sum of its proper divisors (1).

980013999977 is an equidigital number, since it uses as much as digits as its factorization.

980013999977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69441624, while the sum is 71.

The spelling of 980013999977 in words is "nine hundred eighty billion, thirteen million, nine hundred ninety-nine thousand, nine hundred seventy-seven".