478621793711 has 2 divisors, whose sum is σ = 478621793712. Its totient is φ = 478621793710.

The previous prime is 478621793597. The next prime is 478621793747. The reversal of 478621793711 is 117397126874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478621793711 - 2¹⁴ = 478621777327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478621793911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239310896855 + 239310896856.

It is an arithmetic number, because the mean of its divisors is an integer number (239310896856).

Almost surely, 2^478621793711 is an apocalyptic number.

478621793711 is a deficient number, since it is larger than the sum of its proper divisors (1).

478621793711 is an equidigital number, since it uses as much as digits as its factorization.

478621793711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3556224, while the sum is 56.

The spelling of 478621793711 in words is "four hundred seventy-eight billion, six hundred twenty-one million, seven hundred ninety-three thousand, seven hundred eleven".