78984267 has 8 divisors (see below), whose sum is σ = 105353424. Its totient is φ = 52635648.

The previous prime is 78984259. The next prime is 78984317. The reversal of 78984267 is 76248987.

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

It is not a de Polignac number, because 78984267 - 2³ = 78984259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78984247) 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, 12343 + ... + 17615.

It is an arithmetic number, because the mean of its divisors is an integer number (13169178).

Almost surely, 2^78984267 is an apocalyptic number.

78984267 is a deficient number, since it is larger than the sum of its proper divisors (26369157).

78984267 is a wasteful number, since it uses less digits than its factorization.

78984267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10269.

The product of its digits is 1354752, while the sum is 51.

The square root of 78984267 is about 8887.3093228491. The cubic root of 78984267 is about 429.0555565109.

The spelling of 78984267 in words is "seventy-eight million, nine hundred eighty-four thousand, two hundred sixty-seven".