478246225536703 has 4 divisors (see below), whose sum is σ = 515034396731848. Its totient is φ = 441458054341560.

The previous prime is 478246225536559. The next prime is 478246225536721. The reversal of 478246225536703 is 307635522642874.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478246225536703 is a prime.

It is a super-2 number, since 2×478246225536703² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478246225536203) 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, 18394085597553 + ... + 18394085597578.

It is an arithmetic number, because the mean of its divisors is an integer number (128758599182962).

Almost surely, 2^{478246225536703} is an apocalyptic number.

478246225536703 is a deficient number, since it is larger than the sum of its proper divisors (36788171195145).

478246225536703 is a wasteful number, since it uses less digits than its factorization.

478246225536703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36788171195144.

The product of its (nonzero) digits is 406425600, while the sum is 64.

The spelling of 478246225536703 in words is "four hundred seventy-eight trillion, two hundred forty-six billion, two hundred twenty-five million, five hundred thirty-six thousand, seven hundred three".