79084478 has 16 divisors (see below), whose sum is σ = 129757680. Its totient is φ = 35851200.

The previous prime is 79084471. The next prime is 79084513. The reversal of 79084478 is 87448097.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79084471) 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, 3938 + ... + 13178.

It is an arithmetic number, because the mean of its divisors is an integer number (8109855).

Almost surely, 2^79084478 is an apocalyptic number.

79084478 is a deficient number, since it is larger than the sum of its proper divisors (50673202).

79084478 is a wasteful number, since it uses less digits than its factorization.

79084478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9643.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 79084478 is about 8892.9454063319. The cubic root of 79084478 is about 429.2369340481.

The spelling of 79084478 in words is "seventy-nine million, eighty-four thousand, four hundred seventy-eight".