635607479 has 16 divisors (see below), whose sum is σ = 692580000. Its totient is φ = 583285248.

The previous prime is 635607439. The next prime is 635607487. The reversal of 635607479 is 974706536.

It is a happy number.

It is not a de Polignac number, because 635607479 - 2⁸ = 635607223 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 (635607419) 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 in 15 ways as a sum of consecutive naturals, for example, 423272 + ... + 424770.

It is an arithmetic number, because the mean of its divisors is an integer number (43286250).

Almost surely, 2^635607479 is an apocalyptic number.

635607479 is a deficient number, since it is larger than the sum of its proper divisors (56972521).

635607479 is a wasteful number, since it uses less digits than its factorization.

635607479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731 (or 1705 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 47.

The square root of 635607479 is about 25211.2569896862. The cubic root of 635607479 is about 859.7978067119.

The spelling of 635607479 in words is "six hundred thirty-five million, six hundred seven thousand, four hundred seventy-nine".