78604002 has 12 divisors (see below), whose sum is σ = 170308710. Its totient is φ = 26201328.

The previous prime is 78603997. The next prime is 78604027. The reversal of 78604002 is 20040687.

It can be written as a sum of positive squares in only one way, i.e., 73977201 + 4626801 = 8601^2 + 2151^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2183427 + ... + 2183462.

Almost surely, 2^78604002 is an apocalyptic number.

78604002 is an abundant number, since it is smaller than the sum of its proper divisors (91704708).

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

78604002 is a wasteful number, since it uses less digits than its factorization.

78604002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366897 (or 4366894 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 78604002 is about 8865.8898030598. The cubic root of 78604002 is about 428.3658944934.

Adding to 78604002 its reverse (20040687), we get a palindrome (98644689).

The spelling of 78604002 in words is "seventy-eight million, six hundred four thousand, two".