248117759977 has 2 divisors, whose sum is σ = 248117759978. Its totient is φ = 248117759976.

The previous prime is 248117759971. The next prime is 248117759993. The reversal of 248117759977 is 779957711842.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242197842496 + 5919917481 = 492136^2 + 76941^2 .

It is a cyclic number.

It is not a de Polignac number, because 248117759977 - 2¹¹ = 248117757929 is a prime.

It is not a weakly prime, because it can be changed into another prime (248117759971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124058879988 + 124058879989.

It is an arithmetic number, because the mean of its divisors is an integer number (124058879989).

Almost surely, 2^248117759977 is an apocalyptic number.

It is an amenable number.

248117759977 is a deficient number, since it is larger than the sum of its proper divisors (1).

248117759977 is an equidigital number, since it uses as much as digits as its factorization.

248117759977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62233920, while the sum is 67.

The spelling of 248117759977 in words is "two hundred forty-eight billion, one hundred seventeen million, seven hundred fifty-nine thousand, nine hundred seventy-seven".