78808460 has 24 divisors (see below), whose sum is σ = 166967136. Its totient is φ = 31243520.

The previous prime is 78808459. The next prime is 78808489. The reversal of 78808460 is 6480887.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15176 + ... + 19695.

It is an arithmetic number, because the mean of its divisors is an integer number (6956964).

Almost surely, 2^78808460 is an apocalyptic number.

It is an amenable number.

78808460 is an abundant number, since it is smaller than the sum of its proper divisors (88158676).

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

78808460 is a wasteful number, since it uses less digits than its factorization.

78808460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34993 (or 34991 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 78808460 is about 8877.4129114286. The cubic root of 78808460 is about 428.7369824946.

The spelling of 78808460 in words is "seventy-eight million, eight hundred eight thousand, four hundred sixty".