78562256467 has 2 divisors, whose sum is σ = 78562256468. Its totient is φ = 78562256466.

The previous prime is 78562256453. The next prime is 78562256537. The reversal of 78562256467 is 76465226587.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78562256467 - 2²⁷ = 78428038739 is a prime.

It is not a weakly prime, because it can be changed into another prime (78562256407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39281128233 + 39281128234.

It is an arithmetic number, because the mean of its divisors is an integer number (39281128234).

Almost surely, 2^78562256467 is an apocalyptic number.

78562256467 is a deficient number, since it is larger than the sum of its proper divisors (1).

78562256467 is an equidigital number, since it uses as much as digits as its factorization.

78562256467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33868800, while the sum is 58.

The spelling of 78562256467 in words is "seventy-eight billion, five hundred sixty-two million, two hundred fifty-six thousand, four hundred sixty-seven".