478988501 has 8 divisors (see below), whose sum is σ = 503752704. Its totient is φ = 454552560.

The previous prime is 478988479. The next prime is 478988513. The reversal of 478988501 is 105889874.

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

It is a cyclic number.

It is not a de Polignac number, because 478988501 - 2⁶ = 478988437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 478988501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478988101) 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, 79070 + ... + 84911.

It is an arithmetic number, because the mean of its divisors is an integer number (62969088).

Almost surely, 2^478988501 is an apocalyptic number.

It is an amenable number.

478988501 is a deficient number, since it is larger than the sum of its proper divisors (24764203).

478988501 is a wasteful number, since it uses less digits than its factorization.

478988501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164131.

The product of its (nonzero) digits is 645120, while the sum is 50.

The square root of 478988501 is about 21885.8059253024. The cubic root of 478988501 is about 782.4231574690.

The spelling of 478988501 in words is "four hundred seventy-eight million, nine hundred eighty-eight thousand, five hundred one".