78885610412 has 12 divisors (see below), whose sum is σ = 157771220880. Its totient is φ = 33808118736.

The previous prime is 78885610409. The next prime is 78885610429. The reversal of 78885610412 is 21401658887.

78885610412 is an admirable number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

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, 1408671587 + ... + 1408671642.

It is an arithmetic number, because the mean of its divisors is an integer number (13147601740).

Almost surely, 2^78885610412 is an apocalyptic number.

It is an amenable number.

78885610412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78885610412 is a wasteful number, since it uses less digits than its factorization.

78885610412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817343240 (or 2817343238 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 50.

The spelling of 78885610412 in words is "seventy-eight billion, eight hundred eighty-five million, six hundred ten thousand, four hundred twelve".