78604466 has 8 divisors (see below), whose sum is σ = 117951660. Its totient is φ = 39287248.

The previous prime is 78604373. The next prime is 78604469. The reversal of 78604466 is 66440687.

It can be written as a sum of positive squares in 2 ways, for example, as 59059225 + 19545241 = 7685^2 + 4421^2 .

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

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (78604469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 980 + ... + 12576.

Almost surely, 2^78604466 is an apocalyptic number.

78604466 is a deficient number, since it is larger than the sum of its proper divisors (39347194).

78604466 is a wasteful number, since it uses less digits than its factorization.

78604466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14988.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 78604466 is about 8865.9159707274. The cubic root of 78604466 is about 428.3667373741.

The spelling of 78604466 in words is "seventy-eight million, six hundred four thousand, four hundred sixty-six".