78785375286 has 16 divisors (see below), whose sum is σ = 157593865968. Its totient is φ = 26257939200.

The previous prime is 78785375173. The next prime is 78785375299. The reversal of 78785375286 is 68257358787.

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, 918675 + ... + 1000766.

It is an arithmetic number, because the mean of its divisors is an integer number (9849616623).

Almost surely, 2^78785375286 is an apocalyptic number.

78785375286 is an abundant number, since it is smaller than the sum of its proper divisors (78808490682).

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

78785375286 is a wasteful number, since it uses less digits than its factorization.

78785375286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926287.

The product of its digits is 158054400, while the sum is 66.

The spelling of 78785375286 in words is "seventy-eight billion, seven hundred eighty-five million, three hundred seventy-five thousand, two hundred eighty-six".