78479366 has 16 divisors (see below), whose sum is σ = 135021600. Its totient is φ = 33512640.

The previous prime is 78479351. The next prime is 78479369. The reversal of 78479366 is 66397487.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78479369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6041 + ... + 13908.

It is an arithmetic number, because the mean of its divisors is an integer number (8438850).

Almost surely, 2^78479366 is an apocalyptic number.

78479366 is a deficient number, since it is larger than the sum of its proper divisors (56542234).

78479366 is a wasteful number, since it uses less digits than its factorization.

78479366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20239.

The product of its digits is 1524096, while the sum is 50.

The square root of 78479366 is about 8858.8580528192. The cubic root of 78479366 is about 428.1393663533.

The spelling of 78479366 in words is "seventy-eight million, four hundred seventy-nine thousand, three hundred sixty-six".