78700150241 has 2 divisors, whose sum is σ = 78700150242. Its totient is φ = 78700150240.

The previous prime is 78700150201. The next prime is 78700150273. The reversal of 78700150241 is 14205100787.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75040384225 + 3659766016 = 273935^2 + 60496^2 .

It is an emirp because it is prime and its reverse (14205100787) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78700150241 - 2¹⁰ = 78700149217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (78700150201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39350075120 + 39350075121.

It is an arithmetic number, because the mean of its divisors is an integer number (39350075121).

Almost surely, 2^78700150241 is an apocalyptic number.

It is an amenable number.

78700150241 is a deficient number, since it is larger than the sum of its proper divisors (1).

78700150241 is an equidigital number, since it uses as much as digits as its factorization.

78700150241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15680, while the sum is 35.

The spelling of 78700150241 in words is "seventy-eight billion, seven hundred million, one hundred fifty thousand, two hundred forty-one".