168477047 has 8 divisors (see below), whose sum is σ = 185055360. Its totient is φ = 152669880.

The previous prime is 168477041. The next prime is 168477091. The reversal of 168477047 is 740774861.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 168477047 - 2⁴ = 168477031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168476989 and 168477007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168477041) 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 7 ways as a sum of consecutive naturals, for example, 192329 + ... + 193202.

It is an arithmetic number, because the mean of its divisors is an integer number (23131920).

Almost surely, 2^168477047 is an apocalyptic number.

168477047 is a deficient number, since it is larger than the sum of its proper divisors (16578313).

168477047 is a wasteful number, since it uses less digits than its factorization.

168477047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385573.

The product of its (nonzero) digits is 263424, while the sum is 44.

The square root of 168477047 is about 12979.8708391108. The cubic root of 168477047 is about 552.3066180981.

The spelling of 168477047 in words is "one hundred sixty-eight million, four hundred seventy-seven thousand, forty-seven".