78027067256 has 32 divisors (see below), whose sum is σ = 146849563440. Its totient is φ = 38867332608.

The previous prime is 78027067213. The next prime is 78027067267. The reversal of 78027067256 is 65276072087.

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, 4741715 + ... + 4758141.

Almost surely, 2^78027067256 is an apocalyptic number.

It is an amenable number.

78027067256 is a deficient number, since it is larger than the sum of its proper divisors (68822496184).

78027067256 is a wasteful number, since it uses less digits than its factorization.

78027067256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18623 (or 18619 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 78027067256 in words is "seventy-eight billion, twenty-seven million, sixty-seven thousand, two hundred fifty-six".