478652507 has 4 divisors (see below), whose sum is σ = 478788816. Its totient is φ = 478516200.

The previous prime is 478652483. The next prime is 478652513. The reversal of 478652507 is 705256874.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 478652507 - 2⁶ = 478652443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478652567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62744 + ... + 69957.

It is an arithmetic number, because the mean of its divisors is an integer number (119697204).

Almost surely, 2^478652507 is an apocalyptic number.

478652507 is a deficient number, since it is larger than the sum of its proper divisors (136309).

478652507 is a wasteful number, since it uses less digits than its factorization.

478652507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136308.

The product of its (nonzero) digits is 470400, while the sum is 44.

The square root of 478652507 is about 21878.1285077129. The cubic root of 478652507 is about 782.2401670081.

The spelling of 478652507 in words is "four hundred seventy-eight million, six hundred fifty-two thousand, five hundred seven".