80678770412 has 12 divisors (see below), whose sum is σ = 141190043736. Its totient is φ = 40338757920.

The previous prime is 80678770379. The next prime is 80678770439. The reversal of 80678770412 is 21407787608.

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, 249587 + ... + 472917.

It is an arithmetic number, because the mean of its divisors is an integer number (11765836978).

Almost surely, 2^80678770412 is an apocalyptic number.

It is an amenable number.

80678770412 is a deficient number, since it is larger than the sum of its proper divisors (60511273324).

80678770412 is a wasteful number, since it uses less digits than its factorization.

80678770412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313648 (or 313646 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 50.

The spelling of 80678770412 in words is "eighty billion, six hundred seventy-eight million, seven hundred seventy thousand, four hundred twelve".