117780062489 has 2 divisors, whose sum is σ = 117780062490. Its totient is φ = 117780062488.

The previous prime is 117780062479. The next prime is 117780062501. The reversal of 117780062489 is 984260087711.

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., 113353422400 + 4426640089 = 336680^2 + 66533^2 .

It is a cyclic number.

It is not a de Polignac number, because 117780062489 - 2¹⁶ = 117779996953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117780062489.

It is not a weakly prime, because it can be changed into another prime (117780062479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58890031244 + 58890031245.

It is an arithmetic number, because the mean of its divisors is an integer number (58890031245).

Almost surely, 2^117780062489 is an apocalyptic number.

It is an amenable number.

117780062489 is a deficient number, since it is larger than the sum of its proper divisors (1).

117780062489 is an equidigital number, since it uses as much as digits as its factorization.

117780062489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The spelling of 117780062489 in words is "one hundred seventeen billion, seven hundred eighty million, sixty-two thousand, four hundred eighty-nine".