78425941208 has 16 divisors (see below), whose sum is σ = 147317475480. Its totient is φ = 39141281088.

The previous prime is 78425941189. The next prime is 78425941267. The reversal of 78425941208 is 80214952487.

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, 8956541 + ... + 8965292.

Almost surely, 2^78425941208 is an apocalyptic number.

It is an amenable number.

78425941208 is a deficient number, since it is larger than the sum of its proper divisors (68891534272).

78425941208 is a wasteful number, since it uses less digits than its factorization.

78425941208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17922386 (or 17922382 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 78425941208 in words is "seventy-eight billion, four hundred twenty-five million, nine hundred forty-one thousand, two hundred eight".