478761804623 has 8 divisors (see below), whose sum is σ = 508669701120. Its totient is φ = 449324898840.

The previous prime is 478761804607. The next prime is 478761804671. The reversal of 478761804623 is 326408167874.

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

It is not a de Polignac number, because 478761804623 - 2⁴ = 478761804607 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 (478761804023) 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, 117745583 + ... + 117749648.

It is an arithmetic number, because the mean of its divisors is an integer number (63583712640).

Almost surely, 2^478761804623 is an apocalyptic number.

478761804623 is a deficient number, since it is larger than the sum of its proper divisors (29907896497).

478761804623 is a wasteful number, since it uses less digits than its factorization.

478761804623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235495357.

The product of its (nonzero) digits is 10838016, while the sum is 56.

The spelling of 478761804623 in words is "four hundred seventy-eight billion, seven hundred sixty-one million, eight hundred four thousand, six hundred twenty-three".