78527285 has 8 divisors (see below), whose sum is σ = 99192480. Its totient is φ = 59515344.

The previous prime is 78527279. The next prime is 78527297. The reversal of 78527285 is 58272587.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78527285 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413207 + ... + 413396.

It is an arithmetic number, because the mean of its divisors is an integer number (12399060).

Almost surely, 2^78527285 is an apocalyptic number.

It is an amenable number.

78527285 is a deficient number, since it is larger than the sum of its proper divisors (20665195).

78527285 is a wasteful number, since it uses less digits than its factorization.

78527285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826627.

The product of its digits is 313600, while the sum is 44.

The square root of 78527285 is about 8861.5622211888. The cubic root of 78527285 is about 428.2264883452.

The spelling of 78527285 in words is "seventy-eight million, five hundred twenty-seven thousand, two hundred eighty-five".