78604026 has 16 divisors (see below), whose sum is σ = 165482400. Its totient is φ = 24822288.

The previous prime is 78603997. The next prime is 78604027. The reversal of 78604026 is 62040687.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (78604027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344641 + ... + 344868.

It is an arithmetic number, because the mean of its divisors is an integer number (10342650).

Almost surely, 2^78604026 is an apocalyptic number.

78604026 is an abundant number, since it is smaller than the sum of its proper divisors (86878374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78604026 is a wasteful number, since it uses less digits than its factorization.

78604026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689533.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 78604026 is about 8865.8911565618. The cubic root of 78604026 is about 428.3659380908.

The spelling of 78604026 in words is "seventy-eight million, six hundred four thousand, twenty-six".