470371987 has 2 divisors, whose sum is σ = 470371988. Its totient is φ = 470371986.

The previous prime is 470371981. The next prime is 470372017. The reversal of 470371987 is 789173074.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-470371987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (470371981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235185993 + 235185994.

It is an arithmetic number, because the mean of its divisors is an integer number (235185994).

Almost surely, 2^470371987 is an apocalyptic number.

470371987 is a deficient number, since it is larger than the sum of its proper divisors (1).

470371987 is an equidigital number, since it uses as much as digits as its factorization.

470371987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 470371987 is about 21688.0609322272. The cubic root of 470371987 is about 777.7030756092.

The spelling of 470371987 in words is "four hundred seventy million, three hundred seventy-one thousand, nine hundred eighty-seven".