478203713 has 8 divisors (see below), whose sum is σ = 515679528. Its totient is φ = 440826624.

The previous prime is 478203703. The next prime is 478203743. The reversal of 478203713 is 317302874.

It can be written as a sum of positive squares in 4 ways, for example, as 45064369 + 433139344 = 6713^2 + 20812^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478203713 is a prime.

It is a super-2 number, since 2×478203713² = 457357582253972738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (478203703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14456 + ... + 34137.

It is an arithmetic number, because the mean of its divisors is an integer number (64459941).

Almost surely, 2^478203713 is an apocalyptic number.

It is an amenable number.

478203713 is a deficient number, since it is larger than the sum of its proper divisors (37475815).

478203713 is a wasteful number, since it uses less digits than its factorization.

478203713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49363.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 478203713 is about 21867.8694206820. The cubic root of 478203713 is about 781.9956093055.

The spelling of 478203713 in words is "four hundred seventy-eight million, two hundred three thousand, seven hundred thirteen".