168852979 has 4 divisors (see below), whose sum is σ = 169008840. Its totient is φ = 168697120.

The previous prime is 168852973. The next prime is 168852991. The reversal of 168852979 is 979258861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 979258861 = 7 ⋅139894123.

It is a cyclic number.

It is not a de Polignac number, because 168852979 - 2¹³ = 168844787 is a prime.

It is a super-2 number, since 2×168852979² = 57022657034348882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168852973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76294 + ... + 78475.

It is an arithmetic number, because the mean of its divisors is an integer number (42252210).

Almost surely, 2^168852979 is an apocalyptic number.

168852979 is a deficient number, since it is larger than the sum of its proper divisors (155861).

168852979 is a wasteful number, since it uses less digits than its factorization.

168852979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155860.

The product of its digits is 2177280, while the sum is 55.

The square root of 168852979 is about 12994.3441158067. The cubic root of 168852979 is about 552.7171101989.

The spelling of 168852979 in words is "one hundred sixty-eight million, eight hundred fifty-two thousand, nine hundred seventy-nine".