478448712501 has 4 divisors (see below), whose sum is σ = 637931616672. Its totient is φ = 318965808332.

The previous prime is 478448712463. The next prime is 478448712503. The reversal of 478448712501 is 105217844874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 478448712501 - 2⁷ = 478448712373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478448712503) 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, 79741452081 + ... + 79741452086.

It is an arithmetic number, because the mean of its divisors is an integer number (159482904168).

Almost surely, 2^478448712501 is an apocalyptic number.

It is an amenable number.

478448712501 is a deficient number, since it is larger than the sum of its proper divisors (159482904171).

478448712501 is a wasteful number, since it uses less digits than its factorization.

478448712501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159482904170.

The product of its (nonzero) digits is 2007040, while the sum is 51.

The spelling of 478448712501 in words is "four hundred seventy-eight billion, four hundred forty-eight million, seven hundred twelve thousand, five hundred one".