150163778777 has 2 divisors, whose sum is σ = 150163778778. Its totient is φ = 150163778776.

The previous prime is 150163778711. The next prime is 150163778789. The reversal of 150163778777 is 777877361051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95994009241 + 54169769536 = 309829^2 + 232744^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150163778777 is a prime.

It is not a weakly prime, because it can be changed into another prime (150163978777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75081889388 + 75081889389.

It is an arithmetic number, because the mean of its divisors is an integer number (75081889389).

Almost surely, 2^150163778777 is an apocalyptic number.

It is an amenable number.

150163778777 is a deficient number, since it is larger than the sum of its proper divisors (1).

150163778777 is an equidigital number, since it uses as much as digits as its factorization.

150163778777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12101040, while the sum is 59.

The spelling of 150163778777 in words is "one hundred fifty billion, one hundred sixty-three million, seven hundred seventy-eight thousand, seven hundred seventy-seven".