158478863 has 4 divisors (see below), whose sum is σ = 158578728. Its totient is φ = 158379000.

The previous prime is 158478857. The next prime is 158478871. The reversal of 158478863 is 368874851.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158478863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158478833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47513 + ... + 50738.

It is an arithmetic number, because the mean of its divisors is an integer number (39644682).

Almost surely, 2^158478863 is an apocalyptic number.

158478863 is a deficient number, since it is larger than the sum of its proper divisors (99865).

158478863 is an equidigital number, since it uses as much as digits as its factorization.

158478863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99864.

The product of its digits is 1290240, while the sum is 50.

The square root of 158478863 is about 12588.8388265161. The cubic root of 158478863 is about 541.1576251636.

It can be divided in two parts, 1584788 and 63, that added together give a palindrome (1584851).

The spelling of 158478863 in words is "one hundred fifty-eight million, four hundred seventy-eight thousand, eight hundred sixty-three".