78602205047 has 2 divisors, whose sum is σ = 78602205048. Its totient is φ = 78602205046.

The previous prime is 78602205043. The next prime is 78602205053. The reversal of 78602205047 is 74050220687.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78602205047 - 2² = 78602205043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78602204995 and 78602205013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78602205043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39301102523 + 39301102524.

It is an arithmetic number, because the mean of its divisors is an integer number (39301102524).

Almost surely, 2^78602205047 is an apocalyptic number.

78602205047 is a deficient number, since it is larger than the sum of its proper divisors (1).

78602205047 is an equidigital number, since it uses as much as digits as its factorization.

78602205047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 78602205047 in words is "seventy-eight billion, six hundred two million, two hundred five thousand, forty-seven".