479183987 has 2 divisors, whose sum is σ = 479183988. Its totient is φ = 479183986.

The previous prime is 479183923. The next prime is 479184053. The reversal of 479183987 is 789381974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 479183987 - 2⁶ = 479183923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (479183917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239591993 + 239591994.

It is an arithmetic number, because the mean of its divisors is an integer number (239591994).

Almost surely, 2^479183987 is an apocalyptic number.

479183987 is a deficient number, since it is larger than the sum of its proper divisors (1).

479183987 is an equidigital number, since it uses as much as digits as its factorization.

479183987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 56.

The square root of 479183987 is about 21890.2715149904. The cubic root of 479183987 is about 782.5295844987.

The spelling of 479183987 in words is "four hundred seventy-nine million, one hundred eighty-three thousand, nine hundred eighty-seven".