78685006 has 8 divisors (see below), whose sum is σ = 121834944. Its totient is φ = 38073360.

The previous prime is 78684997. The next prime is 78685049. The reversal of 78685006 is 60058687.

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

It is a self number, because there is not a number n which added to its sum of digits gives 78685006.

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, 634495 + ... + 634618.

It is an arithmetic number, because the mean of its divisors is an integer number (15229368).

Almost surely, 2^78685006 is an apocalyptic number.

78685006 is a deficient number, since it is larger than the sum of its proper divisors (43149938).

78685006 is a wasteful number, since it uses less digits than its factorization.

78685006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269146.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 78685006 is about 8870.4569217149. The cubic root of 78685006 is about 428.5129923394.

The spelling of 78685006 in words is "seventy-eight million, six hundred eighty-five thousand, six".