78066382 has 8 divisors (see below), whose sum is σ = 117256536. Its totient is φ = 38980872.

The previous prime is 78066379. The next prime is 78066449. The reversal of 78066382 is 28366087.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24268 + ... + 27295.

It is an arithmetic number, because the mean of its divisors is an integer number (14657067).

Almost surely, 2^78066382 is an apocalyptic number.

78066382 is a deficient number, since it is larger than the sum of its proper divisors (39190154).

78066382 is a wasteful number, since it uses less digits than its factorization.

78066382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52322.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 78066382 is about 8835.5182077793. The cubic root of 78066382 is about 427.3870421895.

The spelling of 78066382 in words is "seventy-eight million, sixty-six thousand, three hundred eighty-two".