78450484 has 12 divisors (see below), whose sum is σ = 156901024. Its totient is φ = 33621624.

The previous prime is 78450469. The next prime is 78450499. The reversal of 78450484 is 48405487.

It is an interprime number because it is at equal distance from previous prime (78450469) and next prime (78450499).

78450484 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1400874 + ... + 1400929.

Almost surely, 2^78450484 is an apocalyptic number.

It is an amenable number.

78450484 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78450484 is a wasteful number, since it uses less digits than its factorization.

78450484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801814 (or 2801812 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 40.

The square root of 78450484 is about 8857.2277830030. The cubic root of 78450484 is about 428.0868385827.

The spelling of 78450484 in words is "seventy-eight million, four hundred fifty thousand, four hundred eighty-four".