475192987 has 2 divisors, whose sum is σ = 475192988. Its totient is φ = 475192986.

The previous prime is 475192973. The next prime is 475193003. The reversal of 475192987 is 789291574.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 475192987 - 2²⁷ = 340975259 is a prime.

It is not a weakly prime, because it can be changed into another prime (475192187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237596493 + 237596494.

It is an arithmetic number, because the mean of its divisors is an integer number (237596494).

Almost surely, 2^475192987 is an apocalyptic number.

475192987 is a deficient number, since it is larger than the sum of its proper divisors (1).

475192987 is an equidigital number, since it uses as much as digits as its factorization.

475192987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 52.

The square root of 475192987 is about 21798.9216935150. The cubic root of 475192987 is about 780.3510292671.

The spelling of 475192987 in words is "four hundred seventy-five million, one hundred ninety-two thousand, nine hundred eighty-seven".