452378907 has 6 divisors (see below), whose sum is σ = 653436212. Its totient is φ = 301585932.

The previous prime is 452378897. The next prime is 452378947. The reversal of 452378907 is 709873254.

It is not a de Polignac number, because 452378907 - 2⁷ = 452378779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452378947) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25132153 + ... + 25132170.

Almost surely, 2^452378907 is an apocalyptic number.

452378907 is a deficient number, since it is larger than the sum of its proper divisors (201057305).

452378907 is a wasteful number, since it uses less digits than its factorization.

452378907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50264329 (or 50264326 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 452378907 is about 21269.2009017734. The cubic root of 452378907 is about 767.6574145461.

The spelling of 452378907 in words is "four hundred fifty-two million, three hundred seventy-eight thousand, nine hundred seven".