78203466 has 24 divisors (see below), whose sum is σ = 184845024. Its totient is φ = 23697960.

The previous prime is 78203453. The next prime is 78203501. The reversal of 78203466 is 66430287.

It is a super-2 number, since 2×78203466² = 12231564188826312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78203466.

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 11 ways as a sum of consecutive naturals, for example, 197286 + ... + 197681.

It is an arithmetic number, because the mean of its divisors is an integer number (7701876).

Almost surely, 2^78203466 is an apocalyptic number.

78203466 is an abundant number, since it is smaller than the sum of its proper divisors (106641558).

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

78203466 is a wasteful number, since it uses less digits than its factorization.

78203466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394986 (or 394983 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 78203466 is about 8843.2723581263. The cubic root of 78203466 is about 427.6370587518.

The spelling of 78203466 in words is "seventy-eight million, two hundred three thousand, four hundred sixty-six".