478044091 has 8 divisors (see below), whose sum is σ = 565175520. Its totient is φ = 395622528.

The previous prime is 478044079. The next prime is 478044103. The reversal of 478044091 is 190440874.

It is an interprime number because it is at equal distance from previous prime (478044079) and next prime (478044103).

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

It is not a de Polignac number, because 478044091 - 2⁵ = 478044059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 478044091.

It is not an unprimeable number, because it can be changed into a prime (478044011) 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, 1177246 + ... + 1177651.

It is an arithmetic number, because the mean of its divisors is an integer number (70646940).

Almost surely, 2^478044091 is an apocalyptic number.

478044091 is a deficient number, since it is larger than the sum of its proper divisors (87131429).

478044091 is a wasteful number, since it uses less digits than its factorization.

478044091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354933.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 478044091 is about 21864.2194235239. The cubic root of 478044091 is about 781.9085908858.

The spelling of 478044091 in words is "four hundred seventy-eight million, forty-four thousand, ninety-one".