78982167 has 16 divisors (see below), whose sum is σ = 118846080. Its totient is φ = 46216800.

The previous prime is 78982159. The next prime is 78982177. The reversal of 78982167 is 76128987.

It is not a de Polignac number, because 78982167 - 2³ = 78982159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78982117) 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 15 ways as a sum of consecutive naturals, for example, 40309 + ... + 42222.

It is an arithmetic number, because the mean of its divisors is an integer number (7427880).

Almost surely, 2^78982167 is an apocalyptic number.

78982167 is a deficient number, since it is larger than the sum of its proper divisors (39863913).

78982167 is a wasteful number, since it uses less digits than its factorization.

78982167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82574.

The product of its digits is 338688, while the sum is 48.

The square root of 78982167 is about 8887.1911760691. The cubic root of 78982167 is about 429.0517539618.

The spelling of 78982167 in words is "seventy-eight million, nine hundred eighty-two thousand, one hundred sixty-seven".