78080224 has 12 divisors (see below), whose sum is σ = 153720504. Its totient is φ = 39040096.

The previous prime is 78080213. The next prime is 78080257. The reversal of 78080224 is 42208087.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1219972 + ... + 1220035.

It is an arithmetic number, because the mean of its divisors is an integer number (12810042).

Almost surely, 2^78080224 is an apocalyptic number.

It is an amenable number.

78080224 is a deficient number, since it is larger than the sum of its proper divisors (75640280).

78080224 is a wasteful number, since it uses less digits than its factorization.

78080224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440017 (or 2440009 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 78080224 is about 8836.3014887452. The cubic root of 78080224 is about 427.4123007864.

The spelling of 78080224 in words is "seventy-eight million, eighty thousand, two hundred twenty-four".