78460006487 has 2 divisors, whose sum is σ = 78460006488. Its totient is φ = 78460006486.

The previous prime is 78460006451. The next prime is 78460006501.

78460006487 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78460006487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78460006187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39230003243 + 39230003244.

It is an arithmetic number, because the mean of its divisors is an integer number (39230003244).

Almost surely, 2^78460006487 is an apocalyptic number.

78460006487 is a deficient number, since it is larger than the sum of its proper divisors (1).

78460006487 is an equidigital number, since it uses as much as digits as its factorization.

78460006487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 78460006487 in words is "seventy-eight billion, four hundred sixty million, six thousand, four hundred eighty-seven".