447493087 has 2 divisors, whose sum is σ = 447493088. Its totient is φ = 447493086.

The previous prime is 447493031. The next prime is 447493093. The reversal of 447493087 is 780394744.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 447493087 - 2¹¹ = 447491039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447493097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223746543 + 223746544.

It is an arithmetic number, because the mean of its divisors is an integer number (223746544).

Almost surely, 2^447493087 is an apocalyptic number.

447493087 is a deficient number, since it is larger than the sum of its proper divisors (1).

447493087 is an equidigital number, since it uses as much as digits as its factorization.

447493087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 46.

The square root of 447493087 is about 21154.0324051941. The cubic root of 447493087 is about 764.8837660702.

The spelling of 447493087 in words is "four hundred forty-seven million, four hundred ninety-three thousand, eighty-seven".