478911115 has 8 divisors (see below), whose sum is σ = 578220048. Its totient is φ = 380777760.

The previous prime is 478911113. The next prime is 478911143. The reversal of 478911115 is 511119874.

It is a happy number.

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

It is not a de Polignac number, because 478911115 - 2¹ = 478911113 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (478911113) 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, 292996 + ... + 294625.

It is an arithmetic number, because the mean of its divisors is an integer number (72277506).

Almost surely, 2^478911115 is an apocalyptic number.

478911115 is a deficient number, since it is larger than the sum of its proper divisors (99308933).

478911115 is a wasteful number, since it uses less digits than its factorization.

478911115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587789.

The product of its digits is 10080, while the sum is 37.

The square root of 478911115 is about 21884.0379043722. The cubic root of 478911115 is about 782.3810187681.

The spelling of 478911115 in words is "four hundred seventy-eight million, nine hundred eleven thousand, one hundred fifteen".