78463180 has 12 divisors (see below), whose sum is σ = 164772720. Its totient is φ = 31385264.

The previous prime is 78463171. The next prime is 78463181. The reversal of 78463180 is 8136487.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (78463181) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1961560 + ... + 1961599.

It is an arithmetic number, because the mean of its divisors is an integer number (13731060).

Almost surely, 2^78463180 is an apocalyptic number.

It is an amenable number.

78463180 is an abundant number, since it is smaller than the sum of its proper divisors (86309540).

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

78463180 is a wasteful number, since it uses less digits than its factorization.

78463180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923168 (or 3923166 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 78463180 is about 8857.9444568139. The cubic root of 78463180 is about 428.1099304195.

It can be divided in two parts, 7846 and 3180, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 78463180 in words is "seventy-eight million, four hundred sixty-three thousand, one hundred eighty".