78534982607 has 2 divisors, whose sum is σ = 78534982608. Its totient is φ = 78534982606.

The previous prime is 78534982597. The next prime is 78534982633. The reversal of 78534982607 is 70628943587.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78534982607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78534982657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39267491303 + 39267491304.

It is an arithmetic number, because the mean of its divisors is an integer number (39267491304).

Almost surely, 2^78534982607 is an apocalyptic number.

78534982607 is a deficient number, since it is larger than the sum of its proper divisors (1).

78534982607 is an equidigital number, since it uses as much as digits as its factorization.

78534982607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 78534982607 in words is "seventy-eight billion, five hundred thirty-four million, nine hundred eighty-two thousand, six hundred seven".