158794747 has 2 divisors, whose sum is σ = 158794748. Its totient is φ = 158794746.

The previous prime is 158794733. The next prime is 158794793. The reversal of 158794747 is 747497851.

It is a weak prime.

It is an emirp because it is prime and its reverse (747497851) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158794747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 158794694 and 158794703.

It is not a weakly prime, because it can be changed into another prime (158794147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79397373 + 79397374.

It is an arithmetic number, because the mean of its divisors is an integer number (79397374).

Almost surely, 2^158794747 is an apocalyptic number.

158794747 is a deficient number, since it is larger than the sum of its proper divisors (1).

158794747 is an equidigital number, since it uses as much as digits as its factorization.

158794747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1975680, while the sum is 52.

The square root of 158794747 is about 12601.3787737692. The cubic root of 158794747 is about 541.5169361398.

The spelling of 158794747 in words is "one hundred fifty-eight million, seven hundred ninety-four thousand, seven hundred forty-seven".