808478051 has 2 divisors, whose sum is σ = 808478052. Its totient is φ = 808478050.

The previous prime is 808478039. The next prime is 808478081. The reversal of 808478051 is 150874808.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 808478051 - 2¹⁰ = 808477027 is a prime.

It is not a weakly prime, because it can be changed into another prime (808478081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404239025 + 404239026.

It is an arithmetic number, because the mean of its divisors is an integer number (404239026).

Almost surely, 2^808478051 is an apocalyptic number.

808478051 is a deficient number, since it is larger than the sum of its proper divisors (1).

808478051 is an equidigital number, since it uses as much as digits as its factorization.

808478051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 808478051 is about 28433.7484514441. The cubic root of 808478051 is about 931.5855524797.

The spelling of 808478051 in words is "eight hundred eight million, four hundred seventy-eight thousand, fifty-one".