478261792227 has 8 divisors (see below), whose sum is σ = 638442443520. Its totient is φ = 318461167880.

The previous prime is 478261792153. The next prime is 478261792237. The reversal of 478261792227 is 722297162874.

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 478261792227 - 2¹¹ = 478261790179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478261792237) 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, 95003799 + ... + 95008832.

It is an arithmetic number, because the mean of its divisors is an integer number (79805305440).

Almost surely, 2^478261792227 is an apocalyptic number.

478261792227 is a deficient number, since it is larger than the sum of its proper divisors (160180651293).

478261792227 is a wasteful number, since it uses less digits than its factorization.

478261792227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190013473.

The product of its digits is 9483264, while the sum is 57.

The spelling of 478261792227 in words is "four hundred seventy-eight billion, two hundred sixty-one million, seven hundred ninety-two thousand, two hundred twenty-seven".