150778897 has 2 divisors, whose sum is σ = 150778898. Its totient is φ = 150778896.

The previous prime is 150778883. The next prime is 150778907. The reversal of 150778897 is 798877051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125417601 + 25361296 = 11199^2 + 5036^2 .

It is a cyclic number.

It is not a de Polignac number, because 150778897 - 2¹¹ = 150776849 is a prime.

It is not a weakly prime, because it can be changed into another prime (150778297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75389448 + 75389449.

It is an arithmetic number, because the mean of its divisors is an integer number (75389449).

Almost surely, 2^150778897 is an apocalyptic number.

It is an amenable number.

150778897 is a deficient number, since it is larger than the sum of its proper divisors (1).

150778897 is an equidigital number, since it uses as much as digits as its factorization.

150778897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 987840, while the sum is 52.

The square root of 150778897 is about 12279.2058782317. The cubic root of 150778897 is about 532.2473657427.

The spelling of 150778897 in words is "one hundred fifty million, seven hundred seventy-eight thousand, eight hundred ninety-seven".