478026231 has 8 divisors (see below), whose sum is σ = 657928704. Its totient is φ = 308403960.

The previous prime is 478026229. The next prime is 478026259. The reversal of 478026231 is 132620874.

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

It is not a de Polignac number, because 478026231 - 2¹ = 478026229 is a prime.

It is a super-2 number, since 2×478026231² = 457018155048130722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 478026192 and 478026201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478026271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2569941 + ... + 2570126.

It is an arithmetic number, because the mean of its divisors is an integer number (82241088).

Almost surely, 2^478026231 is an apocalyptic number.

478026231 is a deficient number, since it is larger than the sum of its proper divisors (179902473).

478026231 is a wasteful number, since it uses less digits than its factorization.

478026231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5140101.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 478026231 is about 21863.8109898526. The cubic root of 478026231 is about 781.8988532475.

The spelling of 478026231 in words is "four hundred seventy-eight million, twenty-six thousand, two hundred thirty-one".