78080285 has 8 divisors (see below), whose sum is σ = 97770240. Its totient is φ = 59748304.

The previous prime is 78080281. The next prime is 78080287. The reversal of 78080285 is 58208087.

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

It is a cyclic number.

It is not a de Polignac number, because 78080285 - 2² = 78080281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78080281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339365 + ... + 339594.

It is an arithmetic number, because the mean of its divisors is an integer number (12221280).

Almost surely, 2^78080285 is an apocalyptic number.

It is an amenable number.

78080285 is a deficient number, since it is larger than the sum of its proper divisors (19689955).

78080285 is a wasteful number, since it uses less digits than its factorization.

78080285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678987.

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 78080285 is about 8836.3049404149. The cubic root of 78080285 is about 427.4124120913.

The spelling of 78080285 in words is "seventy-eight million, eighty thousand, two hundred eighty-five".