450487867 has 16 divisors (see below), whose sum is σ = 479469312. Its totient is φ = 422341920.

The previous prime is 450487841. The next prime is 450487871. The reversal of 450487867 is 768784054.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450487867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 450487867.

It is not an unprimeable number, because it can be changed into a prime (450487837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 767148 + ... + 767734.

It is an arithmetic number, because the mean of its divisors is an integer number (29966832).

Almost surely, 2^450487867 is an apocalyptic number.

450487867 is a deficient number, since it is larger than the sum of its proper divisors (28981445).

450487867 is a wasteful number, since it uses less digits than its factorization.

450487867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The square root of 450487867 is about 21224.6994560583. The cubic root of 450487867 is about 766.5862635488.

The spelling of 450487867 in words is "four hundred fifty million, four hundred eighty-seven thousand, eight hundred sixty-seven".