476220109 has 8 divisors (see below), whose sum is σ = 494161920. Its totient is φ = 458439600.

The previous prime is 476220071. The next prime is 476220139. The reversal of 476220109 is 901022674.

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 476220109 - 2¹⁷ = 476089037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (476220139) 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, 34294 + ... + 46135.

It is an arithmetic number, because the mean of its divisors is an integer number (61770240).

Almost surely, 2^476220109 is an apocalyptic number.

It is an amenable number.

476220109 is a deficient number, since it is larger than the sum of its proper divisors (17941811).

476220109 is a wasteful number, since it uses less digits than its factorization.

476220109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80651.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 476220109 is about 21822.4679860001. The cubic root of 476220109 is about 780.9128633966.

The spelling of 476220109 in words is "four hundred seventy-six million, two hundred twenty thousand, one hundred nine".