78783027 has 16 divisors (see below), whose sum is σ = 112577280. Its totient is φ = 48879072.

The previous prime is 78783013. The next prime is 78783037. The reversal of 78783027 is 72038787.

It is not a de Polignac number, because 78783027 - 2⁴ = 78783011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78783027.

It is not an unprimeable number, because it can be changed into a prime (78783037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12877 + ... + 17982.

It is an arithmetic number, because the mean of its divisors is an integer number (7036080).

Almost surely, 2^78783027 is an apocalyptic number.

78783027 is a deficient number, since it is larger than the sum of its proper divisors (33794253).

78783027 is a wasteful number, since it uses less digits than its factorization.

78783027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30922.

The product of its (nonzero) digits is 131712, while the sum is 42.

The square root of 78783027 is about 8875.9803402216. The cubic root of 78783027 is about 428.6908569861.

The spelling of 78783027 in words is "seventy-eight million, seven hundred eighty-three thousand, twenty-seven".