407745378607 has 18 divisors (see below), whose sum is σ = 495053481192. Its totient is φ = 328914278784.

The previous prime is 407745378541. The next prime is 407745378613. The reversal of 407745378607 is 706873547704.

It is a happy number.

It is not a de Polignac number, because 407745378607 - 2⁷ = 407745378479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407745378697) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 28713433 + ... + 28727629.

Almost surely, 2^407745378607 is an apocalyptic number.

407745378607 is a deficient number, since it is larger than the sum of its proper divisors (87308102585).

407745378607 is an frugal number, since it uses more digits than its factorization.

407745378607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28435 (or 14221 counting only the distinct ones).

The product of its (nonzero) digits is 27659520, while the sum is 58.

The spelling of 407745378607 in words is "four hundred seven billion, seven hundred forty-five million, three hundred seventy-eight thousand, six hundred seven".