78506634575062 has 16 divisors (see below), whose sum is σ = 117773196433200. Its totient is φ = 39248902713600.

The previous prime is 78506634575053. The next prime is 78506634575069. The reversal of 78506634575062 is 26057543660587.

It is a junction number, because it is equal to n+sod(n) for n = 78506634574985 and 78506634575003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78506634575069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770082489 + ... + 770184427.

It is an arithmetic number, because the mean of its divisors is an integer number (7360824777075).

Almost surely, 2^{78506634575062} is an apocalyptic number.

78506634575062 is a deficient number, since it is larger than the sum of its proper divisors (39266561858138).

78506634575062 is a wasteful number, since it uses less digits than its factorization.

78506634575062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141471.

The product of its (nonzero) digits is 254016000, while the sum is 64.

The spelling of 78506634575062 in words is "seventy-eight trillion, five hundred six billion, six hundred thirty-four million, five hundred seventy-five thousand, sixty-two".