158696387 has 2 divisors, whose sum is σ = 158696388. Its totient is φ = 158696386.

The previous prime is 158696357. The next prime is 158696423. The reversal of 158696387 is 783696851.

It is a happy number.

158696387 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 is a cyclic number.

It is not a de Polignac number, because 158696387 - 2¹⁶ = 158630851 is a prime.

It is not a weakly prime, because it can be changed into another prime (158696357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79348193 + 79348194.

It is an arithmetic number, because the mean of its divisors is an integer number (79348194).

Almost surely, 2^158696387 is an apocalyptic number.

158696387 is a deficient number, since it is larger than the sum of its proper divisors (1).

158696387 is an equidigital number, since it uses as much as digits as its factorization.

158696387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 53.

The square root of 158696387 is about 12597.4754216867. The cubic root of 158696387 is about 541.4051049697.

The spelling of 158696387 in words is "one hundred fifty-eight million, six hundred ninety-six thousand, three hundred eighty-seven".