151117847 has 2 divisors, whose sum is σ = 151117848. Its totient is φ = 151117846.

The previous prime is 151117829. The next prime is 151117859. The reversal of 151117847 is 748711151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151117847 - 2⁶ = 151117783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151117807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75558923 + 75558924.

It is an arithmetic number, because the mean of its divisors is an integer number (75558924).

Almost surely, 2^151117847 is an apocalyptic number.

151117847 is a deficient number, since it is larger than the sum of its proper divisors (1).

151117847 is an equidigital number, since it uses as much as digits as its factorization.

151117847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7840, while the sum is 35.

The square root of 151117847 is about 12292.9999186529. Note that the first 4 decimals coincide. The cubic root of 151117847 is about 532.6458968226.

Adding to 151117847 its reverse (748711151), we get a palindrome (899828998).

The spelling of 151117847 in words is "one hundred fifty-one million, one hundred seventeen thousand, eight hundred forty-seven".