158107897 has 2 divisors, whose sum is σ = 158107898. Its totient is φ = 158107896.

The previous prime is 158107891. The next prime is 158107921. The reversal of 158107897 is 798701851.

158107897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131698576 + 26409321 = 11476^2 + 5139^2 .

It is an emirp because it is prime and its reverse (798701851) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158107897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (158107891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79053948 + 79053949.

It is an arithmetic number, because the mean of its divisors is an integer number (79053949).

Almost surely, 2^158107897 is an apocalyptic number.

It is an amenable number.

158107897 is a deficient number, since it is larger than the sum of its proper divisors (1).

158107897 is an equidigital number, since it uses as much as digits as its factorization.

158107897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 46.

The square root of 158107897 is about 12574.0962697126. The cubic root of 158107897 is about 540.7350495204.

The spelling of 158107897 in words is "one hundred fifty-eight million, one hundred seven thousand, eight hundred ninety-seven".