78468066 has 24 divisors (see below), whose sum is σ = 170501760. Its totient is φ = 26081016.

The previous prime is 78468059. The next prime is 78468067. The reversal of 78468066 is 66086487.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (78468067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391 + ... + 12533.

It is an arithmetic number, because the mean of its divisors is an integer number (7104240).

Almost surely, 2^78468066 is an apocalyptic number.

78468066 is an abundant number, since it is smaller than the sum of its proper divisors (92033694).

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

78468066 is a wasteful number, since it uses less digits than its factorization.

78468066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12510 (or 12507 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 78468066 is about 8858.2202501405. The cubic root of 78468066 is about 428.1188165481.

The spelling of 78468066 in words is "seventy-eight million, four hundred sixty-eight thousand, sixty-six".