158978795 has 8 divisors (see below), whose sum is σ = 200815440. Its totient is φ = 120489120.

The previous prime is 158978779. The next prime is 158978821. The reversal of 158978795 is 597879851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 158978795 - 2⁴ = 158978779 is a prime.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 836636 + ... + 836825.

It is an arithmetic number, because the mean of its divisors is an integer number (25101930).

Almost surely, 2^158978795 is an apocalyptic number.

158978795 is a deficient number, since it is larger than the sum of its proper divisors (41836645).

158978795 is a wasteful number, since it uses less digits than its factorization.

158978795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673485.

The product of its digits is 6350400, while the sum is 59.

The square root of 158978795 is about 12608.6793519385. The cubic root of 158978795 is about 541.7260669638.

The spelling of 158978795 in words is "one hundred fifty-eight million, nine hundred seventy-eight thousand, seven hundred ninety-five".