78416847012 has 24 divisors (see below), whose sum is σ = 209111592256. Its totient is φ = 22404813408.

The previous prime is 78416847007. The next prime is 78416847049. The reversal of 78416847012 is 21074861487.

It is a super-2 number, since 2×78416847012² (a number of 23 digits) contains 22 as substring.

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, 466766863 + ... + 466767030.

Almost surely, 2^78416847012 is an apocalyptic number.

It is an amenable number.

78416847012 is an abundant number, since it is smaller than the sum of its proper divisors (130694745244).

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

78416847012 is a wasteful number, since it uses less digits than its factorization.

78416847012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933533907 (or 933533905 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 48.

The spelling of 78416847012 in words is "seventy-eight billion, four hundred sixteen million, eight hundred forty-seven thousand, twelve".