78700150201 has 2 divisors, whose sum is σ = 78700150202. Its totient is φ = 78700150200.

The previous prime is 78700150189. The next prime is 78700150241. The reversal of 78700150201 is 10205100787.

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., 78083919225 + 616230976 = 279435^2 + 24824^2 .

It is a cyclic number.

It is not a de Polignac number, because 78700150201 - 2²⁹ = 78163279289 is a prime.

It is not a weakly prime, because it can be changed into another prime (78700150241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39350075100 + 39350075101.

It is an arithmetic number, because the mean of its divisors is an integer number (39350075101).

Almost surely, 2^78700150201 is an apocalyptic number.

It is an amenable number.

78700150201 is a deficient number, since it is larger than the sum of its proper divisors (1).

78700150201 is an equidigital number, since it uses as much as digits as its factorization.

78700150201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3920, while the sum is 31.

Adding to 78700150201 its reverse (10205100787), we get a palindrome (88905250988).

The spelling of 78700150201 in words is "seventy-eight billion, seven hundred million, one hundred fifty thousand, two hundred one".