150077891 has 2 divisors, whose sum is σ = 150077892. Its totient is φ = 150077890.

The previous prime is 150077797. The next prime is 150077911. The reversal of 150077891 is 198770051.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150077891 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (150077591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75038945 + 75038946.

It is an arithmetic number, because the mean of its divisors is an integer number (75038946).

Almost surely, 2^150077891 is an apocalyptic number.

150077891 is a deficient number, since it is larger than the sum of its proper divisors (1).

150077891 is an equidigital number, since it uses as much as digits as its factorization.

150077891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 38.

The square root of 150077891 is about 12250.6281879747. The cubic root of 150077891 is about 531.4212370532.

The spelling of 150077891 in words is "one hundred fifty million, seventy-seven thousand, eight hundred ninety-one".